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Finding the Fourth Proportional to 627,550.68, 866,005.25 and 351,890.27

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Solution

The fourth proportional to 627,550.68, 866,005.25 and 351,890.27 is: 485,600.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,550.68 : 866,005.25 = 351,890.27 : x
  2. Step 2: Convert to fraction form
    627,550.68/866,005.25 = 351,890.27/x
  3. Step 3: Cross multiply
    627,550.68x = 866,005.25 × 351,890.27
  4. Step 4: Simplify right side
    627,550.68x = 304,738,815,154.44
  5. Step 5: Solve for x
    x = 304,738,815,154.44/627,550.68
  6. Step 6: Final answer
    x = 485,600.33

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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.