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Finding the Fourth Proportional to 262,805.80, 394,122.30 and 96,572.20

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Solution

The fourth proportional to 262,805.80, 394,122.30 and 96,572.20 is: 144,826.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,805.80 : 394,122.30 = 96,572.20 : x
  2. Step 2: Convert to fraction form
    262,805.80/394,122.30 = 96,572.20/x
  3. Step 3: Cross multiply
    262,805.80x = 394,122.30 × 96,572.20
  4. Step 4: Simplify right side
    262,805.80x = 38,061,257,580.06
  5. Step 5: Solve for x
    x = 38,061,257,580.06/262,805.80
  6. Step 6: Final answer
    x = 144,826.55

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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.