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Finding the Fourth Proportional to 344,121.62, 515,898.09 and 151,859.12

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Solution

The fourth proportional to 344,121.62, 515,898.09 and 151,859.12 is: 227,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,121.62 : 515,898.09 = 151,859.12 : x
  2. Step 2: Convert to fraction form
    344,121.62/515,898.09 = 151,859.12/x
  3. Step 3: Cross multiply
    344,121.62x = 515,898.09 × 151,859.12
  4. Step 4: Simplify right side
    344,121.62x = 78,343,827,377.59
  5. Step 5: Solve for x
    x = 78,343,827,377.59/344,121.62
  6. Step 6: Final answer
    x = 227,663.20

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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.