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Finding the Fourth Proportional to 382,273.96, 573,408.36 and 129,732.24

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Solution

The fourth proportional to 382,273.96, 573,408.36 and 129,732.24 is: 194,597.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,273.96 : 573,408.36 = 129,732.24 : x
  2. Step 2: Convert to fraction form
    382,273.96/573,408.36 = 129,732.24/x
  3. Step 3: Cross multiply
    382,273.96x = 573,408.36 × 129,732.24
  4. Step 4: Simplify right side
    382,273.96x = 74,389,552,439.12
  5. Step 5: Solve for x
    x = 74,389,552,439.12/382,273.96
  6. Step 6: Final answer
    x = 194,597.49

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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.