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Finding the Fourth Proportional to 484,140.60, 725,951.70 and 203,340.60

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Solution

The fourth proportional to 484,140.60, 725,951.70 and 203,340.60 is: 304,902.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,140.60 : 725,951.70 = 203,340.60 : x
  2. Step 2: Convert to fraction form
    484,140.60/725,951.70 = 203,340.60/x
  3. Step 3: Cross multiply
    484,140.60x = 725,951.70 × 203,340.60
  4. Step 4: Simplify right side
    484,140.60x = 147,615,454,249.02
  5. Step 5: Solve for x
    x = 147,615,454,249.02/484,140.60
  6. Step 6: Final answer
    x = 304,902.04

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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.