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Finding the Fourth Proportional to 424,277.48, 636,693.22 and 158,250.80

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Solution

The fourth proportional to 424,277.48, 636,693.22 and 158,250.80 is: 237,479.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,277.48 : 636,693.22 = 158,250.80 : x
  2. Step 2: Convert to fraction form
    424,277.48/636,693.22 = 158,250.80/x
  3. Step 3: Cross multiply
    424,277.48x = 636,693.22 × 158,250.80
  4. Step 4: Simplify right side
    424,277.48x = 100,757,211,419.58
  5. Step 5: Solve for x
    x = 100,757,211,419.58/424,277.48
  6. Step 6: Final answer
    x = 237,479.52

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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.