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Finding the Fourth Proportional to 484,378.92, 726,672.96 and 147,445.92

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Solution

The fourth proportional to 484,378.92, 726,672.96 and 147,445.92 is: 221,200.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,378.92 : 726,672.96 = 147,445.92 : x
  2. Step 2: Convert to fraction form
    484,378.92/726,672.96 = 147,445.92/x
  3. Step 3: Cross multiply
    484,378.92x = 726,672.96 × 147,445.92
  4. Step 4: Simplify right side
    484,378.92x = 107,144,963,126.32
  5. Step 5: Solve for x
    x = 107,144,963,126.32/484,378.92
  6. Step 6: Final answer
    x = 221,200.71

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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.