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Finding the Fourth Proportional to 576,019.20, 864,028.80 and 534,028.80

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Solution

The fourth proportional to 576,019.20, 864,028.80 and 534,028.80 is: 801,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,019.20 : 864,028.80 = 534,028.80 : x
  2. Step 2: Convert to fraction form
    576,019.20/864,028.80 = 534,028.80/x
  3. Step 3: Cross multiply
    576,019.20x = 864,028.80 × 534,028.80
  4. Step 4: Simplify right side
    576,019.20x = 461,416,263,229.44
  5. Step 5: Solve for x
    x = 461,416,263,229.44/576,019.20
  6. Step 6: Final answer
    x = 801,043.20

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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.