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Finding the Fourth Proportional to 541,125.20, 810,521.40 and 482,027.60

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Solution

The fourth proportional to 541,125.20, 810,521.40 and 482,027.60 is: 722,002.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,125.20 : 810,521.40 = 482,027.60 : x
  2. Step 2: Convert to fraction form
    541,125.20/810,521.40 = 482,027.60/x
  3. Step 3: Cross multiply
    541,125.20x = 810,521.40 × 482,027.60
  4. Step 4: Simplify right side
    541,125.20x = 390,693,685,190.64
  5. Step 5: Solve for x
    x = 390,693,685,190.64/541,125.20
  6. Step 6: Final answer
    x = 722,002.39

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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.