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Finding the Fourth Proportional to 392,095.22, 587,195.46 and 223,103.54

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Solution

The fourth proportional to 392,095.22, 587,195.46 and 223,103.54 is: 334,116.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,095.22 : 587,195.46 = 223,103.54 : x
  2. Step 2: Convert to fraction form
    392,095.22/587,195.46 = 223,103.54/x
  3. Step 3: Cross multiply
    392,095.22x = 587,195.46 × 223,103.54
  4. Step 4: Simplify right side
    392,095.22x = 131,005,385,797.93
  5. Step 5: Solve for x
    x = 131,005,385,797.93/392,095.22
  6. Step 6: Final answer
    x = 334,116.25

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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.