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Finding the Fourth Proportional to 396,754.90, 595,133.03 and 97,236.45

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Solution

The fourth proportional to 396,754.90, 595,133.03 and 97,236.45 is: 145,854.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,754.90 : 595,133.03 = 97,236.45 : x
  2. Step 2: Convert to fraction form
    396,754.90/595,133.03 = 97,236.45/x
  3. Step 3: Cross multiply
    396,754.90x = 595,133.03 × 97,236.45
  4. Step 4: Simplify right side
    396,754.90x = 57,868,623,358.03
  5. Step 5: Solve for x
    x = 57,868,623,358.03/396,754.90
  6. Step 6: Final answer
    x = 145,854.84

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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.