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Finding the Fourth Proportional to 884,840, 1,327,265.04 and 219,992

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Solution

The fourth proportional to 884,840, 1,327,265.04 and 219,992 is: 329,989.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,840 : 1,327,265.04 = 219,992 : x
  2. Step 2: Convert to fraction form
    884,840/1,327,265.04 = 219,992/x
  3. Step 3: Cross multiply
    884,840x = 1,327,265.04 × 219,992
  4. Step 4: Simplify right side
    884,840x = 291,987,690,679.68
  5. Step 5: Solve for x
    x = 291,987,690,679.68/884,840
  6. Step 6: Final answer
    x = 329,989.25

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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.