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Finding the Fourth Proportional to 582.44, 803.60 and 346.27

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Solution

The fourth proportional to 582.44, 803.60 and 346.27 is: 477.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.44 : 803.60 = 346.27 : x
  2. Step 2: Convert to fraction form
    582.44/803.60 = 346.27/x
  3. Step 3: Cross multiply
    582.44x = 803.60 × 346.27
  4. Step 4: Simplify right side
    582.44x = 278,260.84
  5. Step 5: Solve for x
    x = 278,260.84/582.44
  6. Step 6: Final answer
    x = 477.75

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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.