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Finding the Fourth Proportional to 382,286.80, 573,499.20 and 157,524.40

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Solution

The fourth proportional to 382,286.80, 573,499.20 and 157,524.40 is: 236,315.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,286.80 : 573,499.20 = 157,524.40 : x
  2. Step 2: Convert to fraction form
    382,286.80/573,499.20 = 157,524.40/x
  3. Step 3: Cross multiply
    382,286.80x = 573,499.20 × 157,524.40
  4. Step 4: Simplify right side
    382,286.80x = 90,340,117,380.48
  5. Step 5: Solve for x
    x = 90,340,117,380.48/382,286.80
  6. Step 6: Final answer
    x = 236,315.03

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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.