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Finding the Fourth Proportional to 341,230.20, 470,896.35 and 188,277.90

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Solution

The fourth proportional to 341,230.20, 470,896.35 and 188,277.90 is: 259,822.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,230.20 : 470,896.35 = 188,277.90 : x
  2. Step 2: Convert to fraction form
    341,230.20/470,896.35 = 188,277.90/x
  3. Step 3: Cross multiply
    341,230.20x = 470,896.35 × 188,277.90
  4. Step 4: Simplify right side
    341,230.20x = 88,659,375,895.67
  5. Step 5: Solve for x
    x = 88,659,375,895.67/341,230.20
  6. Step 6: Final answer
    x = 259,822.77

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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.