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Finding the Fourth Proportional to 341,428.98, 471,172.08 and 188,467.26

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Solution

The fourth proportional to 341,428.98, 471,172.08 and 188,467.26 is: 260,084.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,428.98 : 471,172.08 = 188,467.26 : x
  2. Step 2: Convert to fraction form
    341,428.98/471,172.08 = 188,467.26/x
  3. Step 3: Cross multiply
    341,428.98x = 471,172.08 × 188,467.26
  4. Step 4: Simplify right side
    341,428.98x = 88,800,510,906.10
  5. Step 5: Solve for x
    x = 88,800,510,906.10/341,428.98
  6. Step 6: Final answer
    x = 260,084.87

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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.