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Finding the Fourth Proportional to 297,046.80, 445,613.40 and 97,333.20

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Solution

The fourth proportional to 297,046.80, 445,613.40 and 97,333.20 is: 146,013.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,046.80 : 445,613.40 = 97,333.20 : x
  2. Step 2: Convert to fraction form
    297,046.80/445,613.40 = 97,333.20/x
  3. Step 3: Cross multiply
    297,046.80x = 445,613.40 × 97,333.20
  4. Step 4: Simplify right side
    297,046.80x = 43,372,978,184.88
  5. Step 5: Solve for x
    x = 43,372,978,184.88/297,046.80
  6. Step 6: Final answer
    x = 146,013.96

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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.