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Finding the Fourth Proportional to 604,469.28, 906,626.14 and 205,093.92

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Solution

The fourth proportional to 604,469.28, 906,626.14 and 205,093.92 is: 307,614.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,469.28 : 906,626.14 = 205,093.92 : x
  2. Step 2: Convert to fraction form
    604,469.28/906,626.14 = 205,093.92/x
  3. Step 3: Cross multiply
    604,469.28x = 906,626.14 × 205,093.92
  4. Step 4: Simplify right side
    604,469.28x = 185,943,509,027.07
  5. Step 5: Solve for x
    x = 185,943,509,027.07/604,469.28
  6. Step 6: Final answer
    x = 307,614.49

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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.