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Finding the Fourth Proportional to 482,685.14, 666,105.42 and 267,826.70

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Solution

The fourth proportional to 482,685.14, 666,105.42 and 267,826.70 is: 369,600.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,685.14 : 666,105.42 = 267,826.70 : x
  2. Step 2: Convert to fraction form
    482,685.14/666,105.42 = 267,826.70/x
  3. Step 3: Cross multiply
    482,685.14x = 666,105.42 × 267,826.70
  4. Step 4: Simplify right side
    482,685.14x = 178,400,816,490.71
  5. Step 5: Solve for x
    x = 178,400,816,490.71/482,685.14
  6. Step 6: Final answer
    x = 369,600.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.