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Finding the Fourth Proportional to 324,008.80, 486,013.20 and 184,040.80

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Solution

The fourth proportional to 324,008.80, 486,013.20 and 184,040.80 is: 276,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,008.80 : 486,013.20 = 184,040.80 : x
  2. Step 2: Convert to fraction form
    324,008.80/486,013.20 = 184,040.80/x
  3. Step 3: Cross multiply
    324,008.80x = 486,013.20 × 184,040.80
  4. Step 4: Simplify right side
    324,008.80x = 89,446,258,138.56
  5. Step 5: Solve for x
    x = 89,446,258,138.56/324,008.80
  6. Step 6: Final answer
    x = 276,061.20

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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.