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Finding the Fourth Proportional to 494,084.69, 740,945.50 and 169,780.82

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Solution

The fourth proportional to 494,084.69, 740,945.50 and 169,780.82 is: 254,608.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,084.69 : 740,945.50 = 169,780.82 : x
  2. Step 2: Convert to fraction form
    494,084.69/740,945.50 = 169,780.82/x
  3. Step 3: Cross multiply
    494,084.69x = 740,945.50 × 169,780.82
  4. Step 4: Simplify right side
    494,084.69x = 125,798,334,565.31
  5. Step 5: Solve for x
    x = 125,798,334,565.31/494,084.69
  6. Step 6: Final answer
    x = 254,608.85

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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.