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Finding the Fourth Proportional to 884,876, 1,327,319.16 and 220,028

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Solution

The fourth proportional to 884,876, 1,327,319.16 and 220,028 is: 330,043.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,876 : 1,327,319.16 = 220,028 : x
  2. Step 2: Convert to fraction form
    884,876/1,327,319.16 = 220,028/x
  3. Step 3: Cross multiply
    884,876x = 1,327,319.16 × 220,028
  4. Step 4: Simplify right side
    884,876x = 292,047,380,136.48
  5. Step 5: Solve for x
    x = 292,047,380,136.48/884,876
  6. Step 6: Final answer
    x = 330,043.28

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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.