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Finding the Fourth Proportional to 627,598.20, 866,086.62 and 341,117.52

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Solution

The fourth proportional to 627,598.20, 866,086.62 and 341,117.52 is: 470,742.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,598.20 : 866,086.62 = 341,117.52 : x
  2. Step 2: Convert to fraction form
    627,598.20/866,086.62 = 341,117.52/x
  3. Step 3: Cross multiply
    627,598.20x = 866,086.62 × 341,117.52
  4. Step 4: Simplify right side
    627,598.20x = 295,437,319,919.58
  5. Step 5: Solve for x
    x = 295,437,319,919.58/627,598.20
  6. Step 6: Final answer
    x = 470,742.78

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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.