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Finding the Fourth Proportional to 627,862.52, 866,426.38 and 341,382.84

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Solution

The fourth proportional to 627,862.52, 866,426.38 and 341,382.84 is: 471,095.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,862.52 : 866,426.38 = 341,382.84 : x
  2. Step 2: Convert to fraction form
    627,862.52/866,426.38 = 341,382.84/x
  3. Step 3: Cross multiply
    627,862.52x = 866,426.38 × 341,382.84
  4. Step 4: Simplify right side
    627,862.52x = 295,783,098,255.32
  5. Step 5: Solve for x
    x = 295,783,098,255.32/627,862.52
  6. Step 6: Final answer
    x = 471,095.33

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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.