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Finding the Fourth Proportional to 339,415.50, 468,393.39 and 188,526.54

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Solution

The fourth proportional to 339,415.50, 468,393.39 and 188,526.54 is: 260,166.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,415.50 : 468,393.39 = 188,526.54 : x
  2. Step 2: Convert to fraction form
    339,415.50/468,393.39 = 188,526.54/x
  3. Step 3: Cross multiply
    339,415.50x = 468,393.39 × 188,526.54
  4. Step 4: Simplify right side
    339,415.50x = 88,304,585,175.57
  5. Step 5: Solve for x
    x = 88,304,585,175.57/339,415.50
  6. Step 6: Final answer
    x = 260,166.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.