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Finding the Fourth Proportional to 344,275.56, 516,612.87 and 144,578.70

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Solution

The fourth proportional to 344,275.56, 516,612.87 and 144,578.70 is: 216,951.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,275.56 : 516,612.87 = 144,578.70 : x
  2. Step 2: Convert to fraction form
    344,275.56/516,612.87 = 144,578.70/x
  3. Step 3: Cross multiply
    344,275.56x = 516,612.87 × 144,578.70
  4. Step 4: Simplify right side
    344,275.56x = 74,691,217,147.87
  5. Step 5: Solve for x
    x = 74,691,217,147.87/344,275.56
  6. Step 6: Final answer
    x = 216,951.84

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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.