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Finding the Fourth Proportional to 472,107.28, 708,370.24 and 247,414.30

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Solution

The fourth proportional to 472,107.28, 708,370.24 and 247,414.30 is: 371,231.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,107.28 : 708,370.24 = 247,414.30 : x
  2. Step 2: Convert to fraction form
    472,107.28/708,370.24 = 247,414.30/x
  3. Step 3: Cross multiply
    472,107.28x = 708,370.24 × 247,414.30
  4. Step 4: Simplify right side
    472,107.28x = 175,260,927,070.43
  5. Step 5: Solve for x
    x = 175,260,927,070.43/472,107.28
  6. Step 6: Final answer
    x = 371,231.15

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1.5x scale

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.