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Finding the Fourth Proportional to 297,044.80, 445,610.40 and 97,331.20

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Solution

The fourth proportional to 297,044.80, 445,610.40 and 97,331.20 is: 146,010.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,044.80 : 445,610.40 = 97,331.20 : x
  2. Step 2: Convert to fraction form
    297,044.80/445,610.40 = 97,331.20/x
  3. Step 3: Cross multiply
    297,044.80x = 445,610.40 × 97,331.20
  4. Step 4: Simplify right side
    297,044.80x = 43,371,794,964.48
  5. Step 5: Solve for x
    x = 43,371,794,964.48/297,044.80
  6. Step 6: Final answer
    x = 146,010.96

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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.