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Finding the Fourth Proportional to 627,893.52, 866,502.80 and 341,414.32

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Solution

The fourth proportional to 627,893.52, 866,502.80 and 341,414.32 is: 471,157.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,893.52 : 866,502.80 = 341,414.32 : x
  2. Step 2: Convert to fraction form
    627,893.52/866,502.80 = 341,414.32/x
  3. Step 3: Cross multiply
    627,893.52x = 866,502.80 × 341,414.32
  4. Step 4: Simplify right side
    627,893.52x = 295,836,464,240.10
  5. Step 5: Solve for x
    x = 295,836,464,240.10/627,893.52
  6. Step 6: Final answer
    x = 471,157.06

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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.