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Finding the Fourth Proportional to 341,755.25, 471,620.73 and 188,793.51

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Solution

The fourth proportional to 341,755.25, 471,620.73 and 188,793.51 is: 260,534.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,755.25 : 471,620.73 = 188,793.51 : x
  2. Step 2: Convert to fraction form
    341,755.25/471,620.73 = 188,793.51/x
  3. Step 3: Cross multiply
    341,755.25x = 471,620.73 × 188,793.51
  4. Step 4: Simplify right side
    341,755.25x = 89,038,933,888.39
  5. Step 5: Solve for x
    x = 89,038,933,888.39/341,755.25
  6. Step 6: Final answer
    x = 260,534.21

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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.