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Finding the Fourth Proportional to 518,025.69, 777,136.95 and 181,162.08

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Solution

The fourth proportional to 518,025.69, 777,136.95 and 181,162.08 is: 271,777.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,025.69 : 777,136.95 = 181,162.08 : x
  2. Step 2: Convert to fraction form
    518,025.69/777,136.95 = 181,162.08/x
  3. Step 3: Cross multiply
    518,025.69x = 777,136.95 × 181,162.08
  4. Step 4: Simplify right side
    518,025.69x = 140,787,746,306.86
  5. Step 5: Solve for x
    x = 140,787,746,306.86/518,025.69
  6. Step 6: Final answer
    x = 271,777.54

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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.