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Finding the Fourth Proportional to 596.46, 823.56 and 431.04

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Solution

The fourth proportional to 596.46, 823.56 and 431.04 is: 595.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.46 : 823.56 = 431.04 : x
  2. Step 2: Convert to fraction form
    596.46/823.56 = 431.04/x
  3. Step 3: Cross multiply
    596.46x = 823.56 × 431.04
  4. Step 4: Simplify right side
    596.46x = 354,987.30
  5. Step 5: Solve for x
    x = 354,987.30/596.46
  6. Step 6: Final answer
    x = 595.16

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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.