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Finding the Fourth Proportional to 627,589.76, 866,079.14 and 341,109.77

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Solution

The fourth proportional to 627,589.76, 866,079.14 and 341,109.77 is: 470,734.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,589.76 : 866,079.14 = 341,109.77 : x
  2. Step 2: Convert to fraction form
    627,589.76/866,079.14 = 341,109.77/x
  3. Step 3: Cross multiply
    627,589.76x = 866,079.14 × 341,109.77
  4. Step 4: Simplify right side
    627,589.76x = 295,428,050,211.25
  5. Step 5: Solve for x
    x = 295,428,050,211.25/627,589.76
  6. Step 6: Final answer
    x = 470,734.34

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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.