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Finding the Fourth Proportional to 591,396.44, 887,081.90 and 164,920.91

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Solution

The fourth proportional to 591,396.44, 887,081.90 and 164,920.91 is: 247,377.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,396.44 : 887,081.90 = 164,920.91 : x
  2. Step 2: Convert to fraction form
    591,396.44/887,081.90 = 164,920.91/x
  3. Step 3: Cross multiply
    591,396.44x = 887,081.90 × 164,920.91
  4. Step 4: Simplify right side
    591,396.44x = 146,298,353,367.92
  5. Step 5: Solve for x
    x = 146,298,353,367.92/591,396.44
  6. Step 6: Final answer
    x = 247,377.81

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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.