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Finding the Fourth Proportional to 329,482.62, 494,036.46 and 129,694.68

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Solution

The fourth proportional to 329,482.62, 494,036.46 and 129,694.68 is: 194,468.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,482.62 : 494,036.46 = 129,694.68 : x
  2. Step 2: Convert to fraction form
    329,482.62/494,036.46 = 129,694.68/x
  3. Step 3: Cross multiply
    329,482.62x = 494,036.46 × 129,694.68
  4. Step 4: Simplify right side
    329,482.62x = 64,073,900,588.03
  5. Step 5: Solve for x
    x = 64,073,900,588.03/329,482.62
  6. Step 6: Final answer
    x = 194,468.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.