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Finding the Fourth Proportional to 794.24, 1,190.58 and 383.14

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Solution

The fourth proportional to 794.24, 1,190.58 and 383.14 is: 574.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.24 : 1,190.58 = 383.14 : x
  2. Step 2: Convert to fraction form
    794.24/1,190.58 = 383.14/x
  3. Step 3: Cross multiply
    794.24x = 1,190.58 × 383.14
  4. Step 4: Simplify right side
    794.24x = 456,158.82
  5. Step 5: Solve for x
    x = 456,158.82/794.24
  6. Step 6: Final answer
    x = 574.33

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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.