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Finding the Fourth Proportional to 324,334.32, 486,302.76 and 113,996.40

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Solution

The fourth proportional to 324,334.32, 486,302.76 and 113,996.40 is: 170,924.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,334.32 : 486,302.76 = 113,996.40 : x
  2. Step 2: Convert to fraction form
    324,334.32/486,302.76 = 113,996.40/x
  3. Step 3: Cross multiply
    324,334.32x = 486,302.76 × 113,996.40
  4. Step 4: Simplify right side
    324,334.32x = 55,436,763,950.06
  5. Step 5: Solve for x
    x = 55,436,763,950.06/324,334.32
  6. Step 6: Final answer
    x = 170,924.75

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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.