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Finding the Fourth Proportional to 262,125.43, 361,854.89 and 197,620.78

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Solution

The fourth proportional to 262,125.43, 361,854.89 and 197,620.78 is: 272,808.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,125.43 : 361,854.89 = 197,620.78 : x
  2. Step 2: Convert to fraction form
    262,125.43/361,854.89 = 197,620.78/x
  3. Step 3: Cross multiply
    262,125.43x = 361,854.89 × 197,620.78
  4. Step 4: Simplify right side
    262,125.43x = 71,510,045,608.61
  5. Step 5: Solve for x
    x = 71,510,045,608.61/262,125.43
  6. Step 6: Final answer
    x = 272,808.50

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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.