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Finding the Fourth Proportional to 634,268.97, 951,353.82 and 178,841.81

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Solution

The fourth proportional to 634,268.97, 951,353.82 and 178,841.81 is: 268,248.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,268.97 : 951,353.82 = 178,841.81 : x
  2. Step 2: Convert to fraction form
    634,268.97/951,353.82 = 178,841.81/x
  3. Step 3: Cross multiply
    634,268.97x = 951,353.82 × 178,841.81
  4. Step 4: Simplify right side
    634,268.97x = 170,141,841,497.60
  5. Step 5: Solve for x
    x = 170,141,841,497.60/634,268.97
  6. Step 6: Final answer
    x = 268,248.72

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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.