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Finding the Fourth Proportional to 341,309.70, 471,004.27 and 188,349.30

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Solution

The fourth proportional to 341,309.70, 471,004.27 and 188,349.30 is: 259,920.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,309.70 : 471,004.27 = 188,349.30 : x
  2. Step 2: Convert to fraction form
    341,309.70/471,004.27 = 188,349.30/x
  3. Step 3: Cross multiply
    341,309.70x = 471,004.27 × 188,349.30
  4. Step 4: Simplify right side
    341,309.70x = 88,713,324,080.64
  5. Step 5: Solve for x
    x = 88,713,324,080.64/341,309.70
  6. Step 6: Final answer
    x = 259,920.31

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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.