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Finding the Fourth Proportional to 637,136.52, 955,843.10 and 193,893

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Solution

The fourth proportional to 637,136.52, 955,843.10 and 193,893 is: 290,881.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,136.52 : 955,843.10 = 193,893 : x
  2. Step 2: Convert to fraction form
    637,136.52/955,843.10 = 193,893/x
  3. Step 3: Cross multiply
    637,136.52x = 955,843.10 × 193,893
  4. Step 4: Simplify right side
    637,136.52x = 185,331,286,188.30
  5. Step 5: Solve for x
    x = 185,331,286,188.30/637,136.52
  6. Step 6: Final answer
    x = 290,881.59

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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.