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Finding the Fourth Proportional to 383,251.80, 574,964.10 and 117,024.60

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Solution

The fourth proportional to 383,251.80, 574,964.10 and 117,024.60 is: 175,563.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,251.80 : 574,964.10 = 117,024.60 : x
  2. Step 2: Convert to fraction form
    383,251.80/574,964.10 = 117,024.60/x
  3. Step 3: Cross multiply
    383,251.80x = 574,964.10 × 117,024.60
  4. Step 4: Simplify right side
    383,251.80x = 67,284,943,816.86
  5. Step 5: Solve for x
    x = 67,284,943,816.86/383,251.80
  6. Step 6: Final answer
    x = 175,563.28

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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.