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Finding the Fourth Proportional to 341,859.20, 471,765.69 and 190,956.20

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Solution

The fourth proportional to 341,859.20, 471,765.69 and 190,956.20 is: 263,519.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,859.20 : 471,765.69 = 190,956.20 : x
  2. Step 2: Convert to fraction form
    341,859.20/471,765.69 = 190,956.20/x
  3. Step 3: Cross multiply
    341,859.20x = 471,765.69 × 190,956.20
  4. Step 4: Simplify right side
    341,859.20x = 90,086,581,093.95
  5. Step 5: Solve for x
    x = 90,086,581,093.95/341,859.20
  6. Step 6: Final answer
    x = 263,519.55

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1.5x scale

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.