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Finding the Fourth Proportional to 567,297.10, 850,945.65 and 520,057.90

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Solution

The fourth proportional to 567,297.10, 850,945.65 and 520,057.90 is: 780,086.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,297.10 : 850,945.65 = 520,057.90 : x
  2. Step 2: Convert to fraction form
    567,297.10/850,945.65 = 520,057.90/x
  3. Step 3: Cross multiply
    567,297.10x = 850,945.65 × 520,057.90
  4. Step 4: Simplify right side
    567,297.10x = 442,541,007,753.14
  5. Step 5: Solve for x
    x = 442,541,007,753.14/567,297.10
  6. Step 6: Final answer
    x = 780,086.85

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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.