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Finding the Fourth Proportional to 627,932.30, 942,117.15 and 273,200.90

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Solution

The fourth proportional to 627,932.30, 942,117.15 and 273,200.90 is: 409,896.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,932.30 : 942,117.15 = 273,200.90 : x
  2. Step 2: Convert to fraction form
    627,932.30/942,117.15 = 273,200.90/x
  3. Step 3: Cross multiply
    627,932.30x = 942,117.15 × 273,200.90
  4. Step 4: Simplify right side
    627,932.30x = 257,387,253,285.44
  5. Step 5: Solve for x
    x = 257,387,253,285.44/627,932.30
  6. Step 6: Final answer
    x = 409,896.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.