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Finding the Fourth Proportional to 544,081.40, 816,122.10 and 483,428.60

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Solution

The fourth proportional to 544,081.40, 816,122.10 and 483,428.60 is: 725,142.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,081.40 : 816,122.10 = 483,428.60 : x
  2. Step 2: Convert to fraction form
    544,081.40/816,122.10 = 483,428.60/x
  3. Step 3: Cross multiply
    544,081.40x = 816,122.10 × 483,428.60
  4. Step 4: Simplify right side
    544,081.40x = 394,536,764,232.06
  5. Step 5: Solve for x
    x = 394,536,764,232.06/544,081.40
  6. Step 6: Final answer
    x = 725,142.90

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Similar ratio
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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.