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Finding the Fourth Proportional to 1,194.70, 1,791.36 and 500.55

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Solution

The fourth proportional to 1,194.70, 1,791.36 and 500.55 is: 750.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.70 : 1,791.36 = 500.55 : x
  2. Step 2: Convert to fraction form
    1,194.70/1,791.36 = 500.55/x
  3. Step 3: Cross multiply
    1,194.70x = 1,791.36 × 500.55
  4. Step 4: Simplify right side
    1,194.70x = 896,656.29
  5. Step 5: Solve for x
    x = 896,656.29/1,194.70
  6. Step 6: Final answer
    x = 750.53

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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.