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Finding the Fourth Proportional to 634,387.28, 951,562.68 and 235,019.20

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Solution

The fourth proportional to 634,387.28, 951,562.68 and 235,019.20 is: 352,522.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,387.28 : 951,562.68 = 235,019.20 : x
  2. Step 2: Convert to fraction form
    634,387.28/951,562.68 = 235,019.20/x
  3. Step 3: Cross multiply
    634,387.28x = 951,562.68 × 235,019.20
  4. Step 4: Simplify right side
    634,387.28x = 223,635,499,803.46
  5. Step 5: Solve for x
    x = 223,635,499,803.46/634,387.28
  6. Step 6: Final answer
    x = 352,522.04

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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.