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Finding the Fourth Proportional to 496.16, 744.30 and 188

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Solution

The fourth proportional to 496.16, 744.30 and 188 is: 282.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    496.16 : 744.30 = 188 : x
  2. Step 2: Convert to fraction form
    496.16/744.30 = 188/x
  3. Step 3: Cross multiply
    496.16x = 744.30 × 188
  4. Step 4: Simplify right side
    496.16x = 139,928.40
  5. Step 5: Solve for x
    x = 139,928.40/496.16
  6. Step 6: Final answer
    x = 282.02

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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.