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Finding the Fourth Proportional to 324,224.64, 486,402.57 and 113,878.98

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Solution

The fourth proportional to 324,224.64, 486,402.57 and 113,878.98 is: 170,841.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,224.64 : 486,402.57 = 113,878.98 : x
  2. Step 2: Convert to fraction form
    324,224.64/486,402.57 = 113,878.98/x
  3. Step 3: Cross multiply
    324,224.64x = 486,402.57 × 113,878.98
  4. Step 4: Simplify right side
    324,224.64x = 55,391,028,540.98
  5. Step 5: Solve for x
    x = 55,391,028,540.98/324,224.64
  6. Step 6: Final answer
    x = 170,841.51

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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.