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Finding the Fourth Proportional to 410,273.55, 615,685.22 and 144,034.85

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Solution

The fourth proportional to 410,273.55, 615,685.22 and 144,034.85 is: 216,148.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,273.55 : 615,685.22 = 144,034.85 : x
  2. Step 2: Convert to fraction form
    410,273.55/615,685.22 = 144,034.85/x
  3. Step 3: Cross multiply
    410,273.55x = 615,685.22 × 144,034.85
  4. Step 4: Simplify right side
    410,273.55x = 88,680,128,309.92
  5. Step 5: Solve for x
    x = 88,680,128,309.92/410,273.55
  6. Step 6: Final answer
    x = 216,148.78

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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.