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Finding the Fourth Proportional to 544,089.80, 816,134.70 and 494,226.20

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Solution

The fourth proportional to 544,089.80, 816,134.70 and 494,226.20 is: 741,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,089.80 : 816,134.70 = 494,226.20 : x
  2. Step 2: Convert to fraction form
    544,089.80/816,134.70 = 494,226.20/x
  3. Step 3: Cross multiply
    544,089.80x = 816,134.70 × 494,226.20
  4. Step 4: Simplify right side
    544,089.80x = 403,355,151,469.14
  5. Step 5: Solve for x
    x = 403,355,151,469.14/544,089.80
  6. Step 6: Final answer
    x = 741,339.30

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Double scale
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Similar ratio
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1.5x scale

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.