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Finding the Fourth Proportional to 265,768.97, 366,753.15 and 144,912.58

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Solution

The fourth proportional to 265,768.97, 366,753.15 and 144,912.58 is: 199,974.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,768.97 : 366,753.15 = 144,912.58 : x
  2. Step 2: Convert to fraction form
    265,768.97/366,753.15 = 144,912.58/x
  3. Step 3: Cross multiply
    265,768.97x = 366,753.15 × 144,912.58
  4. Step 4: Simplify right side
    265,768.97x = 53,147,144,272.74
  5. Step 5: Solve for x
    x = 53,147,144,272.74/265,768.97
  6. Step 6: Final answer
    x = 199,974.98

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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.