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Finding the Fourth Proportional to 518,182.92, 777,212.82 and 181,197.81

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Solution

The fourth proportional to 518,182.92, 777,212.82 and 181,197.81 is: 271,775.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,182.92 : 777,212.82 = 181,197.81 : x
  2. Step 2: Convert to fraction form
    518,182.92/777,212.82 = 181,197.81/x
  3. Step 3: Cross multiply
    518,182.92x = 777,212.82 × 181,197.81
  4. Step 4: Simplify right side
    518,182.92x = 140,829,260,887.92
  5. Step 5: Solve for x
    x = 140,829,260,887.92/518,182.92
  6. Step 6: Final answer
    x = 271,775.19

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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.