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Finding the Fourth Proportional to 541,144.84, 811,843.59 and 156,901.73

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Solution

The fourth proportional to 541,144.84, 811,843.59 and 156,901.73 is: 235,389.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,144.84 : 811,843.59 = 156,901.73 : x
  2. Step 2: Convert to fraction form
    541,144.84/811,843.59 = 156,901.73/x
  3. Step 3: Cross multiply
    541,144.84x = 811,843.59 × 156,901.73
  4. Step 4: Simplify right side
    541,144.84x = 127,379,663,743.36
  5. Step 5: Solve for x
    x = 127,379,663,743.36/541,144.84
  6. Step 6: Final answer
    x = 235,389.22

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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.