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Finding the Fourth Proportional to 339,395.62, 468,367.06 and 188,492.62

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Solution

The fourth proportional to 339,395.62, 468,367.06 and 188,492.62 is: 260,120.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,395.62 : 468,367.06 = 188,492.62 : x
  2. Step 2: Convert to fraction form
    339,395.62/468,367.06 = 188,492.62/x
  3. Step 3: Cross multiply
    339,395.62x = 468,367.06 × 188,492.62
  4. Step 4: Simplify right side
    339,395.62x = 88,283,734,261.10
  5. Step 5: Solve for x
    x = 88,283,734,261.10/339,395.62
  6. Step 6: Final answer
    x = 260,120.43

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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.