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Finding the Fourth Proportional to 634,269.72, 951,354.95 and 178,842.56

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Solution

The fourth proportional to 634,269.72, 951,354.95 and 178,842.56 is: 268,249.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,269.72 : 951,354.95 = 178,842.56 : x
  2. Step 2: Convert to fraction form
    634,269.72/951,354.95 = 178,842.56/x
  3. Step 3: Cross multiply
    634,269.72x = 951,354.95 × 178,842.56
  4. Step 4: Simplify right side
    634,269.72x = 170,142,756,210.85
  5. Step 5: Solve for x
    x = 170,142,756,210.85/634,269.72
  6. Step 6: Final answer
    x = 268,249.85

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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.