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Finding the Fourth Proportional to 262,906.80, 362,757.24 and 155,479.92

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Solution

The fourth proportional to 262,906.80, 362,757.24 and 155,479.92 is: 214,530.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,906.80 : 362,757.24 = 155,479.92 : x
  2. Step 2: Convert to fraction form
    262,906.80/362,757.24 = 155,479.92/x
  3. Step 3: Cross multiply
    262,906.80x = 362,757.24 × 155,479.92
  4. Step 4: Simplify right side
    262,906.80x = 56,401,466,654.62
  5. Step 5: Solve for x
    x = 56,401,466,654.62/262,906.80
  6. Step 6: Final answer
    x = 214,530.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.