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Finding the Fourth Proportional to 574.04, 792.22 and 433.92

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Solution

The fourth proportional to 574.04, 792.22 and 433.92 is: 598.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.04 : 792.22 = 433.92 : x
  2. Step 2: Convert to fraction form
    574.04/792.22 = 433.92/x
  3. Step 3: Cross multiply
    574.04x = 792.22 × 433.92
  4. Step 4: Simplify right side
    574.04x = 343,760.10
  5. Step 5: Solve for x
    x = 343,760.10/574.04
  6. Step 6: Final answer
    x = 598.84

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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.