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Finding the Fourth Proportional to 408,744.40, 614,153.40 and 363,125.20

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Solution

The fourth proportional to 408,744.40, 614,153.40 and 363,125.20 is: 545,608.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,744.40 : 614,153.40 = 363,125.20 : x
  2. Step 2: Convert to fraction form
    408,744.40/614,153.40 = 363,125.20/x
  3. Step 3: Cross multiply
    408,744.40x = 614,153.40 × 363,125.20
  4. Step 4: Simplify right side
    408,744.40x = 223,014,576,205.68
  5. Step 5: Solve for x
    x = 223,014,576,205.68/408,744.40
  6. Step 6: Final answer
    x = 545,608.88

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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.