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Finding the Fourth Proportional to 383,241.28, 574,950.90 and 130,523.95

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Solution

The fourth proportional to 383,241.28, 574,950.90 and 130,523.95 is: 195,816.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,241.28 : 574,950.90 = 130,523.95 : x
  2. Step 2: Convert to fraction form
    383,241.28/574,950.90 = 130,523.95/x
  3. Step 3: Cross multiply
    383,241.28x = 574,950.90 × 130,523.95
  4. Step 4: Simplify right side
    383,241.28x = 75,044,862,524.06
  5. Step 5: Solve for x
    x = 75,044,862,524.06/383,241.28
  6. Step 6: Final answer
    x = 195,816.23

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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.