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Finding the Fourth Proportional to 310,500.92, 465,361.70 and 132,799

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Solution

The fourth proportional to 310,500.92, 465,361.70 and 132,799 is: 199,031.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,500.92 : 465,361.70 = 132,799 : x
  2. Step 2: Convert to fraction form
    310,500.92/465,361.70 = 132,799/x
  3. Step 3: Cross multiply
    310,500.92x = 465,361.70 × 132,799
  4. Step 4: Simplify right side
    310,500.92x = 61,799,568,398.30
  5. Step 5: Solve for x
    x = 61,799,568,398.30/310,500.92
  6. Step 6: Final answer
    x = 199,031.84

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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.