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Finding the Fourth Proportional to 496.17, 744.41 and 393.50

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Solution

The fourth proportional to 496.17, 744.41 and 393.50 is: 590.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    496.17 : 744.41 = 393.50 : x
  2. Step 2: Convert to fraction form
    496.17/744.41 = 393.50/x
  3. Step 3: Cross multiply
    496.17x = 744.41 × 393.50
  4. Step 4: Simplify right side
    496.17x = 292,925.34
  5. Step 5: Solve for x
    x = 292,925.34/496.17
  6. Step 6: Final answer
    x = 590.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.