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Finding the Fourth Proportional to 488,416.80, 732,625.20 and 444,871.20

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Solution

The fourth proportional to 488,416.80, 732,625.20 and 444,871.20 is: 667,306.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,416.80 : 732,625.20 = 444,871.20 : x
  2. Step 2: Convert to fraction form
    488,416.80/732,625.20 = 444,871.20/x
  3. Step 3: Cross multiply
    488,416.80x = 732,625.20 × 444,871.20
  4. Step 4: Simplify right side
    488,416.80x = 325,923,851,874.24
  5. Step 5: Solve for x
    x = 325,923,851,874.24/488,416.80
  6. Step 6: Final answer
    x = 667,306.80

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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.