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Finding the Fourth Proportional to 336,995.53, 505,352.76 and 137,180.27

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Solution

The fourth proportional to 336,995.53, 505,352.76 and 137,180.27 is: 205,713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,995.53 : 505,352.76 = 137,180.27 : x
  2. Step 2: Convert to fraction form
    336,995.53/505,352.76 = 137,180.27/x
  3. Step 3: Cross multiply
    336,995.53x = 505,352.76 × 137,180.27
  4. Step 4: Simplify right side
    336,995.53x = 69,324,428,811.00
  5. Step 5: Solve for x
    x = 69,324,428,811.00/336,995.53
  6. Step 6: Final answer
    x = 205,713.20

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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.