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Finding the Fourth Proportional to 605,092.30, 907,426.87 and 178,514.88

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Solution

The fourth proportional to 605,092.30, 907,426.87 and 178,514.88 is: 267,709.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,092.30 : 907,426.87 = 178,514.88 : x
  2. Step 2: Convert to fraction form
    605,092.30/907,426.87 = 178,514.88/x
  3. Step 3: Cross multiply
    605,092.30x = 907,426.87 × 178,514.88
  4. Step 4: Simplify right side
    605,092.30x = 161,989,194,957.69
  5. Step 5: Solve for x
    x = 161,989,194,957.69/605,092.30
  6. Step 6: Final answer
    x = 267,709.89

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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.