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Finding the Fourth Proportional to 494,892.15, 742,337.95 and 179,348.55

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Solution

The fourth proportional to 494,892.15, 742,337.95 and 179,348.55 is: 269,022.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,892.15 : 742,337.95 = 179,348.55 : x
  2. Step 2: Convert to fraction form
    494,892.15/742,337.95 = 179,348.55/x
  3. Step 3: Cross multiply
    494,892.15x = 742,337.95 × 179,348.55
  4. Step 4: Simplify right side
    494,892.15x = 133,137,234,942.47
  5. Step 5: Solve for x
    x = 133,137,234,942.47/494,892.15
  6. Step 6: Final answer
    x = 269,022.73

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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.