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Finding the Fourth Proportional to 634,551.68, 951,354.12 and 381,772.93

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Solution

The fourth proportional to 634,551.68, 951,354.12 and 381,772.93 is: 572,374.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,551.68 : 951,354.12 = 381,772.93 : x
  2. Step 2: Convert to fraction form
    634,551.68/951,354.12 = 381,772.93/x
  3. Step 3: Cross multiply
    634,551.68x = 951,354.12 × 381,772.93
  4. Step 4: Simplify right side
    634,551.68x = 363,201,245,572.72
  5. Step 5: Solve for x
    x = 363,201,245,572.72/634,551.68
  6. Step 6: Final answer
    x = 572,374.58

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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.