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Finding the Fourth Proportional to 350,401.20, 524,824.20 and 288,193.20

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Solution

The fourth proportional to 350,401.20, 524,824.20 and 288,193.20 is: 431,650.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,401.20 : 524,824.20 = 288,193.20 : x
  2. Step 2: Convert to fraction form
    350,401.20/524,824.20 = 288,193.20/x
  3. Step 3: Cross multiply
    350,401.20x = 524,824.20 × 288,193.20
  4. Step 4: Simplify right side
    350,401.20x = 151,250,765,635.44
  5. Step 5: Solve for x
    x = 151,250,765,635.44/350,401.20
  6. Step 6: Final answer
    x = 431,650.25

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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.