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Finding the Fourth Proportional to 494,508.95, 741,778.54 and 170,293.56

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Solution

The fourth proportional to 494,508.95, 741,778.54 and 170,293.56 is: 255,445.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,508.95 : 741,778.54 = 170,293.56 : x
  2. Step 2: Convert to fraction form
    494,508.95/741,778.54 = 170,293.56/x
  3. Step 3: Cross multiply
    494,508.95x = 741,778.54 × 170,293.56
  4. Step 4: Simplify right side
    494,508.95x = 126,320,108,521.07
  5. Step 5: Solve for x
    x = 126,320,108,521.07/494,508.95
  6. Step 6: Final answer
    x = 255,445.55

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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.