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Finding the Fourth Proportional to 501,661.26, 752,397.29 and 141,829.26

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Solution

The fourth proportional to 501,661.26, 752,397.29 and 141,829.26 is: 212,717.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,661.26 : 752,397.29 = 141,829.26 : x
  2. Step 2: Convert to fraction form
    501,661.26/752,397.29 = 141,829.26/x
  3. Step 3: Cross multiply
    501,661.26x = 752,397.29 × 141,829.26
  4. Step 4: Simplify right side
    501,661.26x = 106,711,948,399.79
  5. Step 5: Solve for x
    x = 106,711,948,399.79/501,661.26
  6. Step 6: Final answer
    x = 212,717.14

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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.