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Finding the Fourth Proportional to 627,595.68, 866,087.76 and 341,116.46

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Solution

The fourth proportional to 627,595.68, 866,087.76 and 341,116.46 is: 470,743.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,595.68 : 866,087.76 = 341,116.46 : x
  2. Step 2: Convert to fraction form
    627,595.68/866,087.76 = 341,116.46/x
  3. Step 3: Cross multiply
    627,595.68x = 866,087.76 × 341,116.46
  4. Step 4: Simplify right side
    627,595.68x = 295,436,790,740.53
  5. Step 5: Solve for x
    x = 295,436,790,740.53/627,595.68
  6. Step 6: Final answer
    x = 470,743.82

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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.