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Finding the Fourth Proportional to 634,557.54, 951,337.08 and 314,489.50

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Solution

The fourth proportional to 634,557.54, 951,337.08 and 314,489.50 is: 471,486.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,557.54 : 951,337.08 = 314,489.50 : x
  2. Step 2: Convert to fraction form
    634,557.54/951,337.08 = 314,489.50/x
  3. Step 3: Cross multiply
    634,557.54x = 951,337.08 × 314,489.50
  4. Step 4: Simplify right side
    634,557.54x = 299,185,522,620.66
  5. Step 5: Solve for x
    x = 299,185,522,620.66/634,557.54
  6. Step 6: Final answer
    x = 471,486.83

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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.