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Finding the Fourth Proportional to 582.04, 803.22 and 349.16

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Solution

The fourth proportional to 582.04, 803.22 and 349.16 is: 481.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.04 : 803.22 = 349.16 : x
  2. Step 2: Convert to fraction form
    582.04/803.22 = 349.16/x
  3. Step 3: Cross multiply
    582.04x = 803.22 × 349.16
  4. Step 4: Simplify right side
    582.04x = 280,452.30
  5. Step 5: Solve for x
    x = 280,452.30/582.04
  6. Step 6: Final answer
    x = 481.84

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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.