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Finding the Fourth Proportional to 324,059.60, 486,089.40 and 223,020.20

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Solution

The fourth proportional to 324,059.60, 486,089.40 and 223,020.20 is: 334,530.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,059.60 : 486,089.40 = 223,020.20 : x
  2. Step 2: Convert to fraction form
    324,059.60/486,089.40 = 223,020.20/x
  3. Step 3: Cross multiply
    324,059.60x = 486,089.40 × 223,020.20
  4. Step 4: Simplify right side
    324,059.60x = 108,407,755,205.88
  5. Step 5: Solve for x
    x = 108,407,755,205.88/324,059.60
  6. Step 6: Final answer
    x = 334,530.30

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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.