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Finding the Fourth Proportional to 324,321.16, 486,703.23 and 113,959.12

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Solution

The fourth proportional to 324,321.16, 486,703.23 and 113,959.12 is: 171,016.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,321.16 : 486,703.23 = 113,959.12 : x
  2. Step 2: Convert to fraction form
    324,321.16/486,703.23 = 113,959.12/x
  3. Step 3: Cross multiply
    324,321.16x = 486,703.23 × 113,959.12
  4. Step 4: Simplify right side
    324,321.16x = 55,464,271,791.96
  5. Step 5: Solve for x
    x = 55,464,271,791.96/324,321.16
  6. Step 6: Final answer
    x = 171,016.51

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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.