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Finding the Fourth Proportional to 396,744.90, 595,117.34 and 116,262.15

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Solution

The fourth proportional to 396,744.90, 595,117.34 and 116,262.15 is: 174,393.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,744.90 : 595,117.34 = 116,262.15 : x
  2. Step 2: Convert to fraction form
    396,744.90/595,117.34 = 116,262.15/x
  3. Step 3: Cross multiply
    396,744.90x = 595,117.34 × 116,262.15
  4. Step 4: Simplify right side
    396,744.90x = 69,189,620,869.37
  5. Step 5: Solve for x
    x = 69,189,620,869.37/396,744.90
  6. Step 6: Final answer
    x = 174,393.22

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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.