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Finding the Fourth Proportional to 323,801.77, 485,408.62 and 113,324.89

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Solution

The fourth proportional to 323,801.77, 485,408.62 and 113,324.89 is: 169,884.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,801.77 : 485,408.62 = 113,324.89 : x
  2. Step 2: Convert to fraction form
    323,801.77/485,408.62 = 113,324.89/x
  3. Step 3: Cross multiply
    323,801.77x = 485,408.62 × 113,324.89
  4. Step 4: Simplify right side
    323,801.77x = 55,008,875,472.88
  5. Step 5: Solve for x
    x = 55,008,875,472.88/323,801.77
  6. Step 6: Final answer
    x = 169,884.42

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1.5x scale

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.