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Finding the Fourth Proportional to 332,551.20, 498,279.60 and 192,064.80

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Solution

The fourth proportional to 332,551.20, 498,279.60 and 192,064.80 is: 287,781.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,551.20 : 498,279.60 = 192,064.80 : x
  2. Step 2: Convert to fraction form
    332,551.20/498,279.60 = 192,064.80/x
  3. Step 3: Cross multiply
    332,551.20x = 498,279.60 × 192,064.80
  4. Step 4: Simplify right side
    332,551.20x = 95,701,971,718.08
  5. Step 5: Solve for x
    x = 95,701,971,718.08/332,551.20
  6. Step 6: Final answer
    x = 287,781.16

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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.