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Finding the Fourth Proportional to 664,308.30, 996,462.45 and 165,672.30

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Solution

The fourth proportional to 664,308.30, 996,462.45 and 165,672.30 is: 248,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,308.30 : 996,462.45 = 165,672.30 : x
  2. Step 2: Convert to fraction form
    664,308.30/996,462.45 = 165,672.30/x
  3. Step 3: Cross multiply
    664,308.30x = 996,462.45 × 165,672.30
  4. Step 4: Simplify right side
    664,308.30x = 165,086,225,955.14
  5. Step 5: Solve for x
    x = 165,086,225,955.14/664,308.30
  6. Step 6: Final answer
    x = 248,508.45

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Half scale
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Double scale
Find fourth proportional to 664,309.30, 996,463.95 and 165,673.30
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.