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Finding the Fourth Proportional to 372,586.82, 558,885.10 and 162,216.86

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Solution

The fourth proportional to 372,586.82, 558,885.10 and 162,216.86 is: 243,327.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,586.82 : 558,885.10 = 162,216.86 : x
  2. Step 2: Convert to fraction form
    372,586.82/558,885.10 = 162,216.86/x
  3. Step 3: Cross multiply
    372,586.82x = 558,885.10 × 162,216.86
  4. Step 4: Simplify right side
    372,586.82x = 90,660,586,022.79
  5. Step 5: Solve for x
    x = 90,660,586,022.79/372,586.82
  6. Step 6: Final answer
    x = 243,327.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.