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Finding the Fourth Proportional to 627,862.32, 866,426.12 and 341,382.66

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Solution

The fourth proportional to 627,862.32, 866,426.12 and 341,382.66 is: 471,095.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,862.32 : 866,426.12 = 341,382.66 : x
  2. Step 2: Convert to fraction form
    627,862.32/866,426.12 = 341,382.66/x
  3. Step 3: Cross multiply
    627,862.32x = 866,426.12 × 341,382.66
  4. Step 4: Simplify right side
    627,862.32x = 295,782,853,539.08
  5. Step 5: Solve for x
    x = 295,782,853,539.08/627,862.32
  6. Step 6: Final answer
    x = 471,095.09

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1.5x scale

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.