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Finding the Fourth Proportional to 363,701.80, 545,649.90 and 324,530.20

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Solution

The fourth proportional to 363,701.80, 545,649.90 and 324,530.20 is: 486,882.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,701.80 : 545,649.90 = 324,530.20 : x
  2. Step 2: Convert to fraction form
    363,701.80/545,649.90 = 324,530.20/x
  3. Step 3: Cross multiply
    363,701.80x = 545,649.90 × 324,530.20
  4. Step 4: Simplify right side
    363,701.80x = 177,079,871,176.98
  5. Step 5: Solve for x
    x = 177,079,871,176.98/363,701.80
  6. Step 6: Final answer
    x = 486,882.03

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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.