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Finding the Fourth Proportional to 1,191,233.97, 1,786,835.55 and 292,679.91

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Solution

The fourth proportional to 1,191,233.97, 1,786,835.55 and 292,679.91 is: 439,016.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,233.97 : 1,786,835.55 = 292,679.91 : x
  2. Step 2: Convert to fraction form
    1,191,233.97/1,786,835.55 = 292,679.91/x
  3. Step 3: Cross multiply
    1,191,233.97x = 1,786,835.55 × 292,679.91
  4. Step 4: Simplify right side
    1,191,233.97x = 522,970,867,958.80
  5. Step 5: Solve for x
    x = 522,970,867,958.80/1,191,233.97
  6. Step 6: Final answer
    x = 439,016.08

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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.