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Finding the Fourth Proportional to 516,685.68, 774,306.72 and 250,375.56

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Solution

The fourth proportional to 516,685.68, 774,306.72 and 250,375.56 is: 375,213.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,685.68 : 774,306.72 = 250,375.56 : x
  2. Step 2: Convert to fraction form
    516,685.68/774,306.72 = 250,375.56/x
  3. Step 3: Cross multiply
    516,685.68x = 774,306.72 × 250,375.56
  4. Step 4: Simplify right side
    516,685.68x = 193,867,478,631.76
  5. Step 5: Solve for x
    x = 193,867,478,631.76/516,685.68
  6. Step 6: Final answer
    x = 375,213.57

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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.