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Finding the Fourth Proportional to 493,426.54, 680,930.68 and 267,072.04

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Solution

The fourth proportional to 493,426.54, 680,930.68 and 267,072.04 is: 368,560.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,426.54 : 680,930.68 = 267,072.04 : x
  2. Step 2: Convert to fraction form
    493,426.54/680,930.68 = 267,072.04/x
  3. Step 3: Cross multiply
    493,426.54x = 680,930.68 × 267,072.04
  4. Step 4: Simplify right side
    493,426.54x = 181,857,545,806.19
  5. Step 5: Solve for x
    x = 181,857,545,806.19/493,426.54
  6. Step 6: Final answer
    x = 368,560.53

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1.5x scale

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.