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Finding the Fourth Proportional to 574,025.10, 861,037.65 and 363,900.30

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Solution

The fourth proportional to 574,025.10, 861,037.65 and 363,900.30 is: 545,850.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,025.10 : 861,037.65 = 363,900.30 : x
  2. Step 2: Convert to fraction form
    574,025.10/861,037.65 = 363,900.30/x
  3. Step 3: Cross multiply
    574,025.10x = 861,037.65 × 363,900.30
  4. Step 4: Simplify right side
    574,025.10x = 313,331,859,146.30
  5. Step 5: Solve for x
    x = 313,331,859,146.30/574,025.10
  6. Step 6: Final answer
    x = 545,850.45

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Double scale
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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.