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Finding the Fourth Proportional to 324,722.12, 486,900.92 and 223,638.98

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Solution

The fourth proportional to 324,722.12, 486,900.92 and 223,638.98 is: 335,332.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,722.12 : 486,900.92 = 223,638.98 : x
  2. Step 2: Convert to fraction form
    324,722.12/486,900.92 = 223,638.98/x
  3. Step 3: Cross multiply
    324,722.12x = 486,900.92 × 223,638.98
  4. Step 4: Simplify right side
    324,722.12x = 108,890,023,234.45
  5. Step 5: Solve for x
    x = 108,890,023,234.45/324,722.12
  6. Step 6: Final answer
    x = 335,332.95

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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.