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Finding the Fourth Proportional to 391,462.44, 587,193.58 and 110,982.12

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Solution

The fourth proportional to 391,462.44, 587,193.58 and 110,982.12 is: 166,473.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,462.44 : 587,193.58 = 110,982.12 : x
  2. Step 2: Convert to fraction form
    391,462.44/587,193.58 = 110,982.12/x
  3. Step 3: Cross multiply
    391,462.44x = 587,193.58 × 110,982.12
  4. Step 4: Simplify right side
    391,462.44x = 65,167,988,358.79
  5. Step 5: Solve for x
    x = 65,167,988,358.79/391,462.44
  6. Step 6: Final answer
    x = 166,473.16

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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.