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Finding the Fourth Proportional to 534,915.40, 801,388.94 and 335,198.56

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Solution

The fourth proportional to 534,915.40, 801,388.94 and 335,198.56 is: 502,181.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,915.40 : 801,388.94 = 335,198.56 : x
  2. Step 2: Convert to fraction form
    534,915.40/801,388.94 = 335,198.56/x
  3. Step 3: Cross multiply
    534,915.40x = 801,388.94 × 335,198.56
  4. Step 4: Simplify right side
    534,915.40x = 268,624,418,687.93
  5. Step 5: Solve for x
    x = 268,624,418,687.93/534,915.40
  6. Step 6: Final answer
    x = 502,181.13

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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.