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Finding the Fourth Proportional to 260,391.15, 359,378.10 and 164,906.73

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Solution

The fourth proportional to 260,391.15, 359,378.10 and 164,906.73 is: 227,595.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,391.15 : 359,378.10 = 164,906.73 : x
  2. Step 2: Convert to fraction form
    260,391.15/359,378.10 = 164,906.73/x
  3. Step 3: Cross multiply
    260,391.15x = 359,378.10 × 164,906.73
  4. Step 4: Simplify right side
    260,391.15x = 59,263,867,304.61
  5. Step 5: Solve for x
    x = 59,263,867,304.61/260,391.15
  6. Step 6: Final answer
    x = 227,595.55

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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.