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Finding the Fourth Proportional to 324,847.60, 487,271.40 and 88,226.80

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Solution

The fourth proportional to 324,847.60, 487,271.40 and 88,226.80 is: 132,340.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,847.60 : 487,271.40 = 88,226.80 : x
  2. Step 2: Convert to fraction form
    324,847.60/487,271.40 = 88,226.80/x
  3. Step 3: Cross multiply
    324,847.60x = 487,271.40 × 88,226.80
  4. Step 4: Simplify right side
    324,847.60x = 42,990,396,353.52
  5. Step 5: Solve for x
    x = 42,990,396,353.52/324,847.60
  6. Step 6: Final answer
    x = 132,340.20

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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.