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Finding the Fourth Proportional to 484,003.60, 725,422.20 and 247,224.40

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Solution

The fourth proportional to 484,003.60, 725,422.20 and 247,224.40 is: 370,538.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,003.60 : 725,422.20 = 247,224.40 : x
  2. Step 2: Convert to fraction form
    484,003.60/725,422.20 = 247,224.40/x
  3. Step 3: Cross multiply
    484,003.60x = 725,422.20 × 247,224.40
  4. Step 4: Simplify right side
    484,003.60x = 179,342,068,141.68
  5. Step 5: Solve for x
    x = 179,342,068,141.68/484,003.60
  6. Step 6: Final answer
    x = 370,538.71

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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.