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Finding the Fourth Proportional to 323,599.01, 485,617.22 and 113,238.77

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Solution

The fourth proportional to 323,599.01, 485,617.22 and 113,238.77 is: 169,934.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,599.01 : 485,617.22 = 113,238.77 : x
  2. Step 2: Convert to fraction form
    323,599.01/485,617.22 = 113,238.77/x
  3. Step 3: Cross multiply
    323,599.01x = 485,617.22 × 113,238.77
  4. Step 4: Simplify right side
    323,599.01x = 54,990,696,683.62
  5. Step 5: Solve for x
    x = 54,990,696,683.62/323,599.01
  6. Step 6: Final answer
    x = 169,934.69

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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.