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Finding the Fourth Proportional to 523,250.47, 784,763.92 and 238,860.28

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Solution

The fourth proportional to 523,250.47, 784,763.92 and 238,860.28 is: 358,239.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,250.47 : 784,763.92 = 238,860.28 : x
  2. Step 2: Convert to fraction form
    523,250.47/784,763.92 = 238,860.28/x
  3. Step 3: Cross multiply
    523,250.47x = 784,763.92 × 238,860.28
  4. Step 4: Simplify right side
    523,250.47x = 187,448,929,665.10
  5. Step 5: Solve for x
    x = 187,448,929,665.10/523,250.47
  6. Step 6: Final answer
    x = 358,239.39

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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.