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Finding the Fourth Proportional to 1,192.57, 1,789.04 and 370.67

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Solution

The fourth proportional to 1,192.57, 1,789.04 and 370.67 is: 556.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192.57 : 1,789.04 = 370.67 : x
  2. Step 2: Convert to fraction form
    1,192.57/1,789.04 = 370.67/x
  3. Step 3: Cross multiply
    1,192.57x = 1,789.04 × 370.67
  4. Step 4: Simplify right side
    1,192.57x = 663,143.46
  5. Step 5: Solve for x
    x = 663,143.46/1,192.57
  6. Step 6: Final answer
    x = 556.06

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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.