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Finding the Fourth Proportional to 324,290.28, 486,172.47 and 134,892.33

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Solution

The fourth proportional to 324,290.28, 486,172.47 and 134,892.33 is: 202,229.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,290.28 : 486,172.47 = 134,892.33 : x
  2. Step 2: Convert to fraction form
    324,290.28/486,172.47 = 134,892.33/x
  3. Step 3: Cross multiply
    324,290.28x = 486,172.47 × 134,892.33
  4. Step 4: Simplify right side
    324,290.28x = 65,580,937,260.16
  5. Step 5: Solve for x
    x = 65,580,937,260.16/324,290.28
  6. Step 6: Final answer
    x = 202,229.12

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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.