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Finding the Fourth Proportional to 324,098.40, 486,293.40 and 113,887.20

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Solution

The fourth proportional to 324,098.40, 486,293.40 and 113,887.20 is: 170,882.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,098.40 : 486,293.40 = 113,887.20 : x
  2. Step 2: Convert to fraction form
    324,098.40/486,293.40 = 113,887.20/x
  3. Step 3: Cross multiply
    324,098.40x = 486,293.40 × 113,887.20
  4. Step 4: Simplify right side
    324,098.40x = 55,382,593,704.48
  5. Step 5: Solve for x
    x = 55,382,593,704.48/324,098.40
  6. Step 6: Final answer
    x = 170,882.03

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1.5x scale

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.