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Finding the Fourth Proportional to 337,306.35, 505,959.53 and 126,991.47

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Solution

The fourth proportional to 337,306.35, 505,959.53 and 126,991.47 is: 190,487.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,306.35 : 505,959.53 = 126,991.47 : x
  2. Step 2: Convert to fraction form
    337,306.35/505,959.53 = 126,991.47/x
  3. Step 3: Cross multiply
    337,306.35x = 505,959.53 × 126,991.47
  4. Step 4: Simplify right side
    337,306.35x = 64,252,543,840.25
  5. Step 5: Solve for x
    x = 64,252,543,840.25/337,306.35
  6. Step 6: Final answer
    x = 190,487.21

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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.