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Finding the Fourth Proportional to 324,584.80, 486,002.40 and 235,355.20

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Solution

The fourth proportional to 324,584.80, 486,002.40 and 235,355.20 is: 352,398.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,584.80 : 486,002.40 = 235,355.20 : x
  2. Step 2: Convert to fraction form
    324,584.80/486,002.40 = 235,355.20/x
  3. Step 3: Cross multiply
    324,584.80x = 486,002.40 × 235,355.20
  4. Step 4: Simplify right side
    324,584.80x = 114,383,192,052.48
  5. Step 5: Solve for x
    x = 114,383,192,052.48/324,584.80
  6. Step 6: Final answer
    x = 352,398.49

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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.