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Finding the Fourth Proportional to 1,263.04, 1,893.31 and 604.73

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Solution

The fourth proportional to 1,263.04, 1,893.31 and 604.73 is: 906.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263.04 : 1,893.31 = 604.73 : x
  2. Step 2: Convert to fraction form
    1,263.04/1,893.31 = 604.73/x
  3. Step 3: Cross multiply
    1,263.04x = 1,893.31 × 604.73
  4. Step 4: Simplify right side
    1,263.04x = 1,144,932.65
  5. Step 5: Solve for x
    x = 1,144,932.65/1,263.04
  6. Step 6: Final answer
    x = 906.49

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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.