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Finding the Fourth Proportional to 627,766.14, 866,327.13 and 341,287.32

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Solution

The fourth proportional to 627,766.14, 866,327.13 and 341,287.32 is: 470,981.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,766.14 : 866,327.13 = 341,287.32 : x
  2. Step 2: Convert to fraction form
    627,766.14/866,327.13 = 341,287.32/x
  3. Step 3: Cross multiply
    627,766.14x = 866,327.13 × 341,287.32
  4. Step 4: Simplify right side
    627,766.14x = 295,666,464,440.99
  5. Step 5: Solve for x
    x = 295,666,464,440.99/627,766.14
  6. Step 6: Final answer
    x = 470,981.86

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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.