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Finding the Fourth Proportional to 322,847.68, 483,950.16 and 154,170.80

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Solution

The fourth proportional to 322,847.68, 483,950.16 and 154,170.80 is: 231,102.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,847.68 : 483,950.16 = 154,170.80 : x
  2. Step 2: Convert to fraction form
    322,847.68/483,950.16 = 154,170.80/x
  3. Step 3: Cross multiply
    322,847.68x = 483,950.16 × 154,170.80
  4. Step 4: Simplify right side
    322,847.68x = 74,610,983,327.33
  5. Step 5: Solve for x
    x = 74,610,983,327.33/322,847.68
  6. Step 6: Final answer
    x = 231,102.74

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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.