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Finding the Fourth Proportional to 392,096.22, 587,196.96 and 223,104.54

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Solution

The fourth proportional to 392,096.22, 587,196.96 and 223,104.54 is: 334,117.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,096.22 : 587,196.96 = 223,104.54 : x
  2. Step 2: Convert to fraction form
    392,096.22/587,196.96 = 223,104.54/x
  3. Step 3: Cross multiply
    392,096.22x = 587,196.96 × 223,104.54
  4. Step 4: Simplify right side
    392,096.22x = 131,006,307,650.20
  5. Step 5: Solve for x
    x = 131,006,307,650.20/392,096.22
  6. Step 6: Final answer
    x = 334,117.75

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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.