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Finding the Fourth Proportional to 518,162.84, 777,244.26 and 181,091.47

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Solution

The fourth proportional to 518,162.84, 777,244.26 and 181,091.47 is: 271,637.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,162.84 : 777,244.26 = 181,091.47 : x
  2. Step 2: Convert to fraction form
    518,162.84/777,244.26 = 181,091.47/x
  3. Step 3: Cross multiply
    518,162.84x = 777,244.26 × 181,091.47
  4. Step 4: Simplify right side
    518,162.84x = 140,752,301,706.24
  5. Step 5: Solve for x
    x = 140,752,301,706.24/518,162.84
  6. Step 6: Final answer
    x = 271,637.20

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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.