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Finding the Fourth Proportional to 662,605.68, 914,375.73 and 368,254.38

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Solution

The fourth proportional to 662,605.68, 914,375.73 and 368,254.38 is: 508,179.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,605.68 : 914,375.73 = 368,254.38 : x
  2. Step 2: Convert to fraction form
    662,605.68/914,375.73 = 368,254.38/x
  3. Step 3: Cross multiply
    662,605.68x = 914,375.73 × 368,254.38
  4. Step 4: Simplify right side
    662,605.68x = 336,722,867,538.20
  5. Step 5: Solve for x
    x = 336,722,867,538.20/662,605.68
  6. Step 6: Final answer
    x = 508,179.87

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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.