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Finding the Fourth Proportional to 324,677.60, 486,670.80 and 124,920.80

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Solution

The fourth proportional to 324,677.60, 486,670.80 and 124,920.80 is: 187,248.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,677.60 : 486,670.80 = 124,920.80 : x
  2. Step 2: Convert to fraction form
    324,677.60/486,670.80 = 124,920.80/x
  3. Step 3: Cross multiply
    324,677.60x = 486,670.80 × 124,920.80
  4. Step 4: Simplify right side
    324,677.60x = 60,795,305,672.64
  5. Step 5: Solve for x
    x = 60,795,305,672.64/324,677.60
  6. Step 6: Final answer
    x = 187,248.23

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1.5x scale

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.