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Finding the Fourth Proportional to 294,538.72, 441,143.44 and 136,435.04

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Solution

The fourth proportional to 294,538.72, 441,143.44 and 136,435.04 is: 204,344.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,538.72 : 441,143.44 = 136,435.04 : x
  2. Step 2: Convert to fraction form
    294,538.72/441,143.44 = 136,435.04/x
  3. Step 3: Cross multiply
    294,538.72x = 441,143.44 × 136,435.04
  4. Step 4: Simplify right side
    294,538.72x = 60,187,422,882.14
  5. Step 5: Solve for x
    x = 60,187,422,882.14/294,538.72
  6. Step 6: Final answer
    x = 204,344.69

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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.