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Finding the Fourth Proportional to 664,302.30, 996,453.45 and 165,666.30

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Solution

The fourth proportional to 664,302.30, 996,453.45 and 165,666.30 is: 248,499.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,302.30 : 996,453.45 = 165,666.30 : x
  2. Step 2: Convert to fraction form
    664,302.30/996,453.45 = 165,666.30/x
  3. Step 3: Cross multiply
    664,302.30x = 996,453.45 × 165,666.30
  4. Step 4: Simplify right side
    664,302.30x = 165,078,756,183.74
  5. Step 5: Solve for x
    x = 165,078,756,183.74/664,302.30
  6. Step 6: Final answer
    x = 248,499.45

Related Problems

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Half scale
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Double scale
Find fourth proportional to 664,303.30, 996,454.95 and 165,667.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.