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Finding the Fourth Proportional to 967.19, 1,334.83 and 574.24

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Solution

The fourth proportional to 967.19, 1,334.83 and 574.24 is: 792.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.19 : 1,334.83 = 574.24 : x
  2. Step 2: Convert to fraction form
    967.19/1,334.83 = 574.24/x
  3. Step 3: Cross multiply
    967.19x = 1,334.83 × 574.24
  4. Step 4: Simplify right side
    967.19x = 766,514.21
  5. Step 5: Solve for x
    x = 766,514.21/967.19
  6. Step 6: Final answer
    x = 792.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.