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Finding the Fourth Proportional to 323,588.22, 485,532.81 and 123,842.76

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Solution

The fourth proportional to 323,588.22, 485,532.81 and 123,842.76 is: 185,821.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,588.22 : 485,532.81 = 123,842.76 : x
  2. Step 2: Convert to fraction form
    323,588.22/485,532.81 = 123,842.76/x
  3. Step 3: Cross multiply
    323,588.22x = 485,532.81 × 123,842.76
  4. Step 4: Simplify right side
    323,588.22x = 60,129,723,260.96
  5. Step 5: Solve for x
    x = 60,129,723,260.96/323,588.22
  6. Step 6: Final answer
    x = 185,821.73

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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.