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Finding the Fourth Proportional to 636,938.52, 955,383 and 237,578.52

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Solution

The fourth proportional to 636,938.52, 955,383 and 237,578.52 is: 356,358.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,938.52 : 955,383 = 237,578.52 : x
  2. Step 2: Convert to fraction form
    636,938.52/955,383 = 237,578.52/x
  3. Step 3: Cross multiply
    636,938.52x = 955,383 × 237,578.52
  4. Step 4: Simplify right side
    636,938.52x = 226,978,479,173.16
  5. Step 5: Solve for x
    x = 226,978,479,173.16/636,938.52
  6. Step 6: Final answer
    x = 356,358.54

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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.