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Finding the Fourth Proportional to 507.44, 760.88 and 182.72

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Solution

The fourth proportional to 507.44, 760.88 and 182.72 is: 273.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    507.44 : 760.88 = 182.72 : x
  2. Step 2: Convert to fraction form
    507.44/760.88 = 182.72/x
  3. Step 3: Cross multiply
    507.44x = 760.88 × 182.72
  4. Step 4: Simplify right side
    507.44x = 139,027.99
  5. Step 5: Solve for x
    x = 139,027.99/507.44
  6. Step 6: Final answer
    x = 273.98

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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.