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Finding the Fourth Proportional to 267,586.48, 401,446.68 and 188,854.48

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Solution

The fourth proportional to 267,586.48, 401,446.68 and 188,854.48 is: 283,328.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,586.48 : 401,446.68 = 188,854.48 : x
  2. Step 2: Convert to fraction form
    267,586.48/401,446.68 = 188,854.48/x
  3. Step 3: Cross multiply
    267,586.48x = 401,446.68 × 188,854.48
  4. Step 4: Simplify right side
    267,586.48x = 75,815,003,999.13
  5. Step 5: Solve for x
    x = 75,815,003,999.13/267,586.48
  6. Step 6: Final answer
    x = 283,328.98

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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.