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Finding the Fourth Proportional to 580,121.44, 870,274.32 and 247,700.32

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Solution

The fourth proportional to 580,121.44, 870,274.32 and 247,700.32 is: 371,589.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,121.44 : 870,274.32 = 247,700.32 : x
  2. Step 2: Convert to fraction form
    580,121.44/870,274.32 = 247,700.32/x
  3. Step 3: Cross multiply
    580,121.44x = 870,274.32 × 247,700.32
  4. Step 4: Simplify right side
    580,121.44x = 215,567,227,551.78
  5. Step 5: Solve for x
    x = 215,567,227,551.78/580,121.44
  6. Step 6: Final answer
    x = 371,589.83

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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.