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Finding the Fourth Proportional to 324,475.46, 486,837.84 and 228,504.78

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Solution

The fourth proportional to 324,475.46, 486,837.84 and 228,504.78 is: 342,844.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,475.46 : 486,837.84 = 228,504.78 : x
  2. Step 2: Convert to fraction form
    324,475.46/486,837.84 = 228,504.78/x
  3. Step 3: Cross multiply
    324,475.46x = 486,837.84 × 228,504.78
  4. Step 4: Simplify right side
    324,475.46x = 111,244,769,948.16
  5. Step 5: Solve for x
    x = 111,244,769,948.16/324,475.46
  6. Step 6: Final answer
    x = 342,844.94

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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.