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Finding the Fourth Proportional to 323,909.70, 485,864.55 and 182,192.10

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Solution

The fourth proportional to 323,909.70, 485,864.55 and 182,192.10 is: 273,288.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,909.70 : 485,864.55 = 182,192.10 : x
  2. Step 2: Convert to fraction form
    323,909.70/485,864.55 = 182,192.10/x
  3. Step 3: Cross multiply
    323,909.70x = 485,864.55 × 182,192.10
  4. Step 4: Simplify right side
    323,909.70x = 88,520,682,680.06
  5. Step 5: Solve for x
    x = 88,520,682,680.06/323,909.70
  6. Step 6: Final answer
    x = 273,288.15

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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.