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Finding the Fourth Proportional to 494,082.69, 740,942.51 and 169,778.82

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Solution

The fourth proportional to 494,082.69, 740,942.51 and 169,778.82 is: 254,605.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,082.69 : 740,942.51 = 169,778.82 : x
  2. Step 2: Convert to fraction form
    494,082.69/740,942.51 = 169,778.82/x
  3. Step 3: Cross multiply
    494,082.69x = 740,942.51 × 169,778.82
  4. Step 4: Simplify right side
    494,082.69x = 125,796,344,186.74
  5. Step 5: Solve for x
    x = 125,796,344,186.74/494,082.69
  6. Step 6: Final answer
    x = 254,605.85

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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.