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Finding the Fourth Proportional to 323,801.46, 485,408.15 and 113,324.58

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Solution

The fourth proportional to 323,801.46, 485,408.15 and 113,324.58 is: 169,883.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,801.46 : 485,408.15 = 113,324.58 : x
  2. Step 2: Convert to fraction form
    323,801.46/485,408.15 = 113,324.58/x
  3. Step 3: Cross multiply
    323,801.46x = 485,408.15 × 113,324.58
  4. Step 4: Simplify right side
    323,801.46x = 55,008,674,160.70
  5. Step 5: Solve for x
    x = 55,008,674,160.70/323,801.46
  6. Step 6: Final answer
    x = 169,883.96

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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.