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Finding the Fourth Proportional to 664,794.30, 997,191.45 and 244,234.20

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Solution

The fourth proportional to 664,794.30, 997,191.45 and 244,234.20 is: 366,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,794.30 : 997,191.45 = 244,234.20 : x
  2. Step 2: Convert to fraction form
    664,794.30/997,191.45 = 244,234.20/x
  3. Step 3: Cross multiply
    664,794.30x = 997,191.45 × 244,234.20
  4. Step 4: Simplify right side
    664,794.30x = 243,548,256,037.59
  5. Step 5: Solve for x
    x = 243,548,256,037.59/664,794.30
  6. Step 6: Final answer
    x = 366,351.30

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Half scale
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Double scale
Find fourth proportional to 664,795.30, 997,192.95 and 244,235.20
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.