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Finding the Fourth Proportional to 341,351.56, 471,061.74 and 188,391.16

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Solution

The fourth proportional to 341,351.56, 471,061.74 and 188,391.16 is: 259,977.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,351.56 : 471,061.74 = 188,391.16 : x
  2. Step 2: Convert to fraction form
    341,351.56/471,061.74 = 188,391.16/x
  3. Step 3: Cross multiply
    341,351.56x = 471,061.74 × 188,391.16
  4. Step 4: Simplify right side
    341,351.56x = 88,743,867,630.22
  5. Step 5: Solve for x
    x = 88,743,867,630.22/341,351.56
  6. Step 6: Final answer
    x = 259,977.92

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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.