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Finding the Fourth Proportional to 324,381.39, 486,585.35 and 111,295.85

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Solution

The fourth proportional to 324,381.39, 486,585.35 and 111,295.85 is: 166,948.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,381.39 : 486,585.35 = 111,295.85 : x
  2. Step 2: Convert to fraction form
    324,381.39/486,585.35 = 111,295.85/x
  3. Step 3: Cross multiply
    324,381.39x = 486,585.35 × 111,295.85
  4. Step 4: Simplify right side
    324,381.39x = 54,154,927,136.39
  5. Step 5: Solve for x
    x = 54,154,927,136.39/324,381.39
  6. Step 6: Final answer
    x = 166,948.32

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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.