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Finding the Fourth Proportional to 574,553.36, 861,828.24 and 153,829.28

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Solution

The fourth proportional to 574,553.36, 861,828.24 and 153,829.28 is: 230,743.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,553.36 : 861,828.24 = 153,829.28 : x
  2. Step 2: Convert to fraction form
    574,553.36/861,828.24 = 153,829.28/x
  3. Step 3: Cross multiply
    574,553.36x = 861,828.24 × 153,829.28
  4. Step 4: Simplify right side
    574,553.36x = 132,574,417,642.87
  5. Step 5: Solve for x
    x = 132,574,417,642.87/574,553.36
  6. Step 6: Final answer
    x = 230,743.44

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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.