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Finding the Fourth Proportional to 382,165.38, 573,249.45 and 115,928.22

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Solution

The fourth proportional to 382,165.38, 573,249.45 and 115,928.22 is: 173,892.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,165.38 : 573,249.45 = 115,928.22 : x
  2. Step 2: Convert to fraction form
    382,165.38/573,249.45 = 115,928.22/x
  3. Step 3: Cross multiply
    382,165.38x = 573,249.45 × 115,928.22
  4. Step 4: Simplify right side
    382,165.38x = 66,455,788,354.48
  5. Step 5: Solve for x
    x = 66,455,788,354.48/382,165.38
  6. Step 6: Final answer
    x = 173,892.75

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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.