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Finding the Fourth Proportional to 341,353.31, 471,066.77 and 188,400.87

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Solution

The fourth proportional to 341,353.31, 471,066.77 and 188,400.87 is: 259,992.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,353.31 : 471,066.77 = 188,400.87 : x
  2. Step 2: Convert to fraction form
    341,353.31/471,066.77 = 188,400.87/x
  3. Step 3: Cross multiply
    341,353.31x = 471,066.77 × 188,400.87
  4. Step 4: Simplify right side
    341,353.31x = 88,749,389,767.09
  5. Step 5: Solve for x
    x = 88,749,389,767.09/341,353.31
  6. Step 6: Final answer
    x = 259,992.77

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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.