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Finding the Fourth Proportional to 404,120.10, 605,392.83 and 245,956.26

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Solution

The fourth proportional to 404,120.10, 605,392.83 and 245,956.26 is: 368,455.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,120.10 : 605,392.83 = 245,956.26 : x
  2. Step 2: Convert to fraction form
    404,120.10/605,392.83 = 245,956.26/x
  3. Step 3: Cross multiply
    404,120.10x = 605,392.83 × 245,956.26
  4. Step 4: Simplify right side
    404,120.10x = 148,900,156,297.62
  5. Step 5: Solve for x
    x = 148,900,156,297.62/404,120.10
  6. Step 6: Final answer
    x = 368,455.21

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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.