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Finding the Fourth Proportional to 534,882.69, 802,448.24 and 155,812.41

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Solution

The fourth proportional to 534,882.69, 802,448.24 and 155,812.41 is: 233,754.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,882.69 : 802,448.24 = 155,812.41 : x
  2. Step 2: Convert to fraction form
    534,882.69/802,448.24 = 155,812.41/x
  3. Step 3: Cross multiply
    534,882.69x = 802,448.24 × 155,812.41
  4. Step 4: Simplify right side
    534,882.69x = 125,031,393,395.60
  5. Step 5: Solve for x
    x = 125,031,393,395.60/534,882.69
  6. Step 6: Final answer
    x = 233,754.79

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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.