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Finding the Fourth Proportional to 627,540.60, 866,011.50 and 341,060.92

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Solution

The fourth proportional to 627,540.60, 866,011.50 and 341,060.92 is: 470,667.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,540.60 : 866,011.50 = 341,060.92 : x
  2. Step 2: Convert to fraction form
    627,540.60/866,011.50 = 341,060.92/x
  3. Step 3: Cross multiply
    627,540.60x = 866,011.50 × 341,060.92
  4. Step 4: Simplify right side
    627,540.60x = 295,362,678,920.58
  5. Step 5: Solve for x
    x = 295,362,678,920.58/627,540.60
  6. Step 6: Final answer
    x = 470,667.04

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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.