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Finding the Fourth Proportional to 627,862.33, 866,426.12 and 341,382.65

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Solution

The fourth proportional to 627,862.33, 866,426.12 and 341,382.65 is: 471,095.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,862.33 : 866,426.12 = 341,382.65 : x
  2. Step 2: Convert to fraction form
    627,862.33/866,426.12 = 341,382.65/x
  3. Step 3: Cross multiply
    627,862.33x = 866,426.12 × 341,382.65
  4. Step 4: Simplify right side
    627,862.33x = 295,782,844,874.82
  5. Step 5: Solve for x
    x = 295,782,844,874.82/627,862.33
  6. Step 6: Final answer
    x = 471,095.07

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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.