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Finding the Fourth Proportional to 523,581.52, 784,645.62 and 238,575.55

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Solution

The fourth proportional to 523,581.52, 784,645.62 and 238,575.55 is: 357,532.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,581.52 : 784,645.62 = 238,575.55 : x
  2. Step 2: Convert to fraction form
    523,581.52/784,645.62 = 238,575.55/x
  3. Step 3: Cross multiply
    523,581.52x = 784,645.62 × 238,575.55
  4. Step 4: Simplify right side
    523,581.52x = 187,197,260,346.59
  5. Step 5: Solve for x
    x = 187,197,260,346.59/523,581.52
  6. Step 6: Final answer
    x = 357,532.21

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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.