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Finding the Fourth Proportional to 410,572.53, 615,791.70 and 144,270.72

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Solution

The fourth proportional to 410,572.53, 615,791.70 and 144,270.72 is: 216,382.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,572.53 : 615,791.70 = 144,270.72 : x
  2. Step 2: Convert to fraction form
    410,572.53/615,791.70 = 144,270.72/x
  3. Step 3: Cross multiply
    410,572.53x = 615,791.70 × 144,270.72
  4. Step 4: Simplify right side
    410,572.53x = 88,840,711,929.02
  5. Step 5: Solve for x
    x = 88,840,711,929.02/410,572.53
  6. Step 6: Final answer
    x = 216,382.50

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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.