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Finding the Fourth Proportional to 554, 764.68 and 367.52

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Solution

The fourth proportional to 554, 764.68 and 367.52 is: 507.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    554 : 764.68 = 367.52 : x
  2. Step 2: Convert to fraction form
    554/764.68 = 367.52/x
  3. Step 3: Cross multiply
    554x = 764.68 × 367.52
  4. Step 4: Simplify right side
    554x = 281,035.19
  5. Step 5: Solve for x
    x = 281,035.19/554
  6. Step 6: Final answer
    x = 507.28

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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.