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Finding the Fourth Proportional to 1,193.94, 1,789.70 and 501.09

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Solution

The fourth proportional to 1,193.94, 1,789.70 and 501.09 is: 751.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193.94 : 1,789.70 = 501.09 : x
  2. Step 2: Convert to fraction form
    1,193.94/1,789.70 = 501.09/x
  3. Step 3: Cross multiply
    1,193.94x = 1,789.70 × 501.09
  4. Step 4: Simplify right side
    1,193.94x = 896,791.56
  5. Step 5: Solve for x
    x = 896,791.56/1,193.94
  6. Step 6: Final answer
    x = 751.12

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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.