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Finding the Fourth Proportional to 424,493.31, 585,843.69 and 243,229.29

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Solution

The fourth proportional to 424,493.31, 585,843.69 and 243,229.29 is: 335,681.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,493.31 : 585,843.69 = 243,229.29 : x
  2. Step 2: Convert to fraction form
    424,493.31/585,843.69 = 243,229.29/x
  3. Step 3: Cross multiply
    424,493.31x = 585,843.69 × 243,229.29
  4. Step 4: Simplify right side
    424,493.31x = 142,494,344,769.68
  5. Step 5: Solve for x
    x = 142,494,344,769.68/424,493.31
  6. Step 6: Final answer
    x = 335,681.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.