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Finding the Fourth Proportional to 382,182.20, 573,286.44 and 171,820.88

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Solution

The fourth proportional to 382,182.20, 573,286.44 and 171,820.88 is: 257,737.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,182.20 : 573,286.44 = 171,820.88 : x
  2. Step 2: Convert to fraction form
    382,182.20/573,286.44 = 171,820.88/x
  3. Step 3: Cross multiply
    382,182.20x = 573,286.44 × 171,820.88
  4. Step 4: Simplify right side
    382,182.20x = 98,502,580,612.87
  5. Step 5: Solve for x
    x = 98,502,580,612.87/382,182.20
  6. Step 6: Final answer
    x = 257,737.23

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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.