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Finding the Fourth Proportional to 367,635.60, 551,453.40 and 157,294.80

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Solution

The fourth proportional to 367,635.60, 551,453.40 and 157,294.80 is: 235,942.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,635.60 : 551,453.40 = 157,294.80 : x
  2. Step 2: Convert to fraction form
    367,635.60/551,453.40 = 157,294.80/x
  3. Step 3: Cross multiply
    367,635.60x = 551,453.40 × 157,294.80
  4. Step 4: Simplify right side
    367,635.60x = 86,740,752,262.32
  5. Step 5: Solve for x
    x = 86,740,752,262.32/367,635.60
  6. Step 6: Final answer
    x = 235,942.20

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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.