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Finding the Fourth Proportional to 627,575.92, 866,060.47 and 341,096.70

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Solution

The fourth proportional to 627,575.92, 866,060.47 and 341,096.70 is: 470,716.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,575.92 : 866,060.47 = 341,096.70 : x
  2. Step 2: Convert to fraction form
    627,575.92/866,060.47 = 341,096.70/x
  3. Step 3: Cross multiply
    627,575.92x = 866,060.47 × 341,096.70
  4. Step 4: Simplify right side
    627,575.92x = 295,410,371,991.55
  5. Step 5: Solve for x
    x = 295,410,371,991.55/627,575.92
  6. Step 6: Final answer
    x = 470,716.55

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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.