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Finding the Fourth Proportional to 324,854.60, 487,281.90 and 88,233.80

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Solution

The fourth proportional to 324,854.60, 487,281.90 and 88,233.80 is: 132,350.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,854.60 : 487,281.90 = 88,233.80 : x
  2. Step 2: Convert to fraction form
    324,854.60/487,281.90 = 88,233.80/x
  3. Step 3: Cross multiply
    324,854.60x = 487,281.90 × 88,233.80
  4. Step 4: Simplify right side
    324,854.60x = 42,994,733,708.22
  5. Step 5: Solve for x
    x = 42,994,733,708.22/324,854.60
  6. Step 6: Final answer
    x = 132,350.70

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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.