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Finding the Fourth Proportional to 541,127.20, 810,524.40 and 482,029.60

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Solution

The fourth proportional to 541,127.20, 810,524.40 and 482,029.60 is: 722,005.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,127.20 : 810,524.40 = 482,029.60 : x
  2. Step 2: Convert to fraction form
    541,127.20/810,524.40 = 482,029.60/x
  3. Step 3: Cross multiply
    541,127.20x = 810,524.40 × 482,029.60
  4. Step 4: Simplify right side
    541,127.20x = 390,696,752,322.24
  5. Step 5: Solve for x
    x = 390,696,752,322.24/541,127.20
  6. Step 6: Final answer
    x = 722,005.38

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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.