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Finding the Fourth Proportional to 627,873.28, 941,708.88 and 172,358.24

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Solution

The fourth proportional to 627,873.28, 941,708.88 and 172,358.24 is: 258,509.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,873.28 : 941,708.88 = 172,358.24 : x
  2. Step 2: Convert to fraction form
    627,873.28/941,708.88 = 172,358.24/x
  3. Step 3: Cross multiply
    627,873.28x = 941,708.88 × 172,358.24
  4. Step 4: Simplify right side
    627,873.28x = 162,311,285,149.17
  5. Step 5: Solve for x
    x = 162,311,285,149.17/627,873.28
  6. Step 6: Final answer
    x = 258,509.62

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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.