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Finding the Fourth Proportional to 383,744.54, 575,736.69 and 131,031.02

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Solution

The fourth proportional to 383,744.54, 575,736.69 and 131,031.02 is: 196,587.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,744.54 : 575,736.69 = 131,031.02 : x
  2. Step 2: Convert to fraction form
    383,744.54/575,736.69 = 131,031.02/x
  3. Step 3: Cross multiply
    383,744.54x = 575,736.69 × 131,031.02
  4. Step 4: Simplify right side
    383,744.54x = 75,439,362,863.44
  5. Step 5: Solve for x
    x = 75,439,362,863.44/383,744.54
  6. Step 6: Final answer
    x = 196,587.46

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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.