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Finding the Fourth Proportional to 632,691.66, 873,112.12 and 342,302.29

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Solution

The fourth proportional to 632,691.66, 873,112.12 and 342,302.29 is: 472,375.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,691.66 : 873,112.12 = 342,302.29 : x
  2. Step 2: Convert to fraction form
    632,691.66/873,112.12 = 342,302.29/x
  3. Step 3: Cross multiply
    632,691.66x = 873,112.12 × 342,302.29
  4. Step 4: Simplify right side
    632,691.66x = 298,868,278,102.76
  5. Step 5: Solve for x
    x = 298,868,278,102.76/632,691.66
  6. Step 6: Final answer
    x = 472,375.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.