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Finding the Fourth Proportional to 527,114.60, 790,671.89 and 127,755.38

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Solution

The fourth proportional to 527,114.60, 790,671.89 and 127,755.38 is: 191,633.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,114.60 : 790,671.89 = 127,755.38 : x
  2. Step 2: Convert to fraction form
    527,114.60/790,671.89 = 127,755.38/x
  3. Step 3: Cross multiply
    527,114.60x = 790,671.89 × 127,755.38
  4. Step 4: Simplify right side
    527,114.60x = 101,012,585,251.50
  5. Step 5: Solve for x
    x = 101,012,585,251.50/527,114.60
  6. Step 6: Final answer
    x = 191,633.06

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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.