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Finding the Fourth Proportional to 267,777.56, 369,533.34 and 154,600.31

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Solution

The fourth proportional to 267,777.56, 369,533.34 and 154,600.31 is: 213,348.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,777.56 : 369,533.34 = 154,600.31 : x
  2. Step 2: Convert to fraction form
    267,777.56/369,533.34 = 154,600.31/x
  3. Step 3: Cross multiply
    267,777.56x = 369,533.34 × 154,600.31
  4. Step 4: Simplify right side
    267,777.56x = 57,129,969,843.17
  5. Step 5: Solve for x
    x = 57,129,969,843.17/267,777.56
  6. Step 6: Final answer
    x = 213,348.61

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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.