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Finding the Fourth Proportional to 392,510.60, 541,667.22 and 222,747.56

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Solution

The fourth proportional to 392,510.60, 541,667.22 and 222,747.56 is: 307,393.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,510.60 : 541,667.22 = 222,747.56 : x
  2. Step 2: Convert to fraction form
    392,510.60/541,667.22 = 222,747.56/x
  3. Step 3: Cross multiply
    392,510.60x = 541,667.22 × 222,747.56
  4. Step 4: Simplify right side
    392,510.60x = 120,655,051,586.98
  5. Step 5: Solve for x
    x = 120,655,051,586.98/392,510.60
  6. Step 6: Final answer
    x = 307,393.10

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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.