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Finding the Fourth Proportional to 383,698.53, 575,449.62 and 113,763.56

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Solution

The fourth proportional to 383,698.53, 575,449.62 and 113,763.56 is: 170,616.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,698.53 : 575,449.62 = 113,763.56 : x
  2. Step 2: Convert to fraction form
    383,698.53/575,449.62 = 113,763.56/x
  3. Step 3: Cross multiply
    383,698.53x = 575,449.62 × 113,763.56
  4. Step 4: Simplify right side
    383,698.53x = 65,465,194,494.60
  5. Step 5: Solve for x
    x = 65,465,194,494.60/383,698.53
  6. Step 6: Final answer
    x = 170,616.22

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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.