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Finding the Fourth Proportional to 364,778.20, 547,512.90 and 224,810.20

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Solution

The fourth proportional to 364,778.20, 547,512.90 and 224,810.20 is: 337,428.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,778.20 : 547,512.90 = 224,810.20 : x
  2. Step 2: Convert to fraction form
    364,778.20/547,512.90 = 224,810.20/x
  3. Step 3: Cross multiply
    364,778.20x = 547,512.90 × 224,810.20
  4. Step 4: Simplify right side
    364,778.20x = 123,086,484,551.58
  5. Step 5: Solve for x
    x = 123,086,484,551.58/364,778.20
  6. Step 6: Final answer
    x = 337,428.29

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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.