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Finding the Fourth Proportional to 493,426.79, 680,931.02 and 267,072.29

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Solution

The fourth proportional to 493,426.79, 680,931.02 and 267,072.29 is: 368,560.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,426.79 : 680,931.02 = 267,072.29 : x
  2. Step 2: Convert to fraction form
    493,426.79/680,931.02 = 267,072.29/x
  3. Step 3: Cross multiply
    493,426.79x = 680,931.02 × 267,072.29
  4. Step 4: Simplify right side
    493,426.79x = 181,857,806,843.44
  5. Step 5: Solve for x
    x = 181,857,806,843.44/493,426.79
  6. Step 6: Final answer
    x = 368,560.87

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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.