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Finding the Fourth Proportional to 354,322, 488,964.36 and 195,346

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Solution

The fourth proportional to 354,322, 488,964.36 and 195,346 is: 269,577.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,322 : 488,964.36 = 195,346 : x
  2. Step 2: Convert to fraction form
    354,322/488,964.36 = 195,346/x
  3. Step 3: Cross multiply
    354,322x = 488,964.36 × 195,346
  4. Step 4: Simplify right side
    354,322x = 95,517,231,868.56
  5. Step 5: Solve for x
    x = 95,517,231,868.56/354,322
  6. Step 6: Final answer
    x = 269,577.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.