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Finding the Fourth Proportional to 574,052.13, 861,059.06 and 308,331.63

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Solution

The fourth proportional to 574,052.13, 861,059.06 and 308,331.63 is: 462,487.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,052.13 : 861,059.06 = 308,331.63 : x
  2. Step 2: Convert to fraction form
    574,052.13/861,059.06 = 308,331.63/x
  3. Step 3: Cross multiply
    574,052.13x = 861,059.06 × 308,331.63
  4. Step 4: Simplify right side
    574,052.13x = 265,491,743,110.65
  5. Step 5: Solve for x
    x = 265,491,743,110.65/574,052.13
  6. Step 6: Final answer
    x = 462,487.17

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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.