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Finding the Fourth Proportional to 617,359.83, 926,506.31 and 262,623.57

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Solution

The fourth proportional to 617,359.83, 926,506.31 and 262,623.57 is: 394,133.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,359.83 : 926,506.31 = 262,623.57 : x
  2. Step 2: Convert to fraction form
    617,359.83/926,506.31 = 262,623.57/x
  3. Step 3: Cross multiply
    617,359.83x = 926,506.31 × 262,623.57
  4. Step 4: Simplify right side
    617,359.83x = 243,322,394,759.73
  5. Step 5: Solve for x
    x = 243,322,394,759.73/617,359.83
  6. Step 6: Final answer
    x = 394,133.83

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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.