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Finding the Fourth Proportional to 338,475.88, 467,099.94 and 187,586.92

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Solution

The fourth proportional to 338,475.88, 467,099.94 and 187,586.92 is: 258,871.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,475.88 : 467,099.94 = 187,586.92 : x
  2. Step 2: Convert to fraction form
    338,475.88/467,099.94 = 187,586.92/x
  3. Step 3: Cross multiply
    338,475.88x = 467,099.94 × 187,586.92
  4. Step 4: Simplify right side
    338,475.88x = 87,621,839,076.78
  5. Step 5: Solve for x
    x = 87,621,839,076.78/338,475.88
  6. Step 6: Final answer
    x = 258,871.74

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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.