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Finding the Fourth Proportional to 534,198.78, 801,361.42 and 334,535.67

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Solution

The fourth proportional to 534,198.78, 801,361.42 and 334,535.67 is: 501,843.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,198.78 : 801,361.42 = 334,535.67 : x
  2. Step 2: Convert to fraction form
    534,198.78/801,361.42 = 334,535.67/x
  3. Step 3: Cross multiply
    534,198.78x = 801,361.42 × 334,535.67
  4. Step 4: Simplify right side
    534,198.78x = 268,083,978,715.51
  5. Step 5: Solve for x
    x = 268,083,978,715.51/534,198.78
  6. Step 6: Final answer
    x = 501,843.11

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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.