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Finding the Fourth Proportional to 627,876.71, 941,793.90 and 272,890.77

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Solution

The fourth proportional to 627,876.71, 941,793.90 and 272,890.77 is: 409,326.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,876.71 : 941,793.90 = 272,890.77 : x
  2. Step 2: Convert to fraction form
    627,876.71/941,793.90 = 272,890.77/x
  3. Step 3: Cross multiply
    627,876.71x = 941,793.90 × 272,890.77
  4. Step 4: Simplify right side
    627,876.71x = 257,006,862,552.30
  5. Step 5: Solve for x
    x = 257,006,862,552.30/627,876.71
  6. Step 6: Final answer
    x = 409,326.96

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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.