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Finding the Fourth Proportional to 518,481.52, 777,718.62 and 144,504.52

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Solution

The fourth proportional to 518,481.52, 777,718.62 and 144,504.52 is: 216,755.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,481.52 : 777,718.62 = 144,504.52 : x
  2. Step 2: Convert to fraction form
    518,481.52/777,718.62 = 144,504.52/x
  3. Step 3: Cross multiply
    518,481.52x = 777,718.62 × 144,504.52
  4. Step 4: Simplify right side
    518,481.52x = 112,383,855,878.16
  5. Step 5: Solve for x
    x = 112,383,855,878.16/518,481.52
  6. Step 6: Final answer
    x = 216,755.76

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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.