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Finding the Fourth Proportional to 358,080.88, 494,159.52 and 196,944.08

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Solution

The fourth proportional to 358,080.88, 494,159.52 and 196,944.08 is: 271,787.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,080.88 : 494,159.52 = 196,944.08 : x
  2. Step 2: Convert to fraction form
    358,080.88/494,159.52 = 196,944.08/x
  3. Step 3: Cross multiply
    358,080.88x = 494,159.52 × 196,944.08
  4. Step 4: Simplify right side
    358,080.88x = 97,321,792,039.64
  5. Step 5: Solve for x
    x = 97,321,792,039.64/358,080.88
  6. Step 6: Final answer
    x = 271,787.18

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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.