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Finding the Fourth Proportional to 341,380.89, 471,069.90 and 188,416.26

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Solution

The fourth proportional to 341,380.89, 471,069.90 and 188,416.26 is: 259,994.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,380.89 : 471,069.90 = 188,416.26 : x
  2. Step 2: Convert to fraction form
    341,380.89/471,069.90 = 188,416.26/x
  3. Step 3: Cross multiply
    341,380.89x = 471,069.90 × 188,416.26
  4. Step 4: Simplify right side
    341,380.89x = 88,757,228,756.57
  5. Step 5: Solve for x
    x = 88,757,228,756.57/341,380.89
  6. Step 6: Final answer
    x = 259,994.72

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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.