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Finding the Fourth Proportional to 496.13, 744.36 and 188.06

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Solution

The fourth proportional to 496.13, 744.36 and 188.06 is: 282.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    496.13 : 744.36 = 188.06 : x
  2. Step 2: Convert to fraction form
    496.13/744.36 = 188.06/x
  3. Step 3: Cross multiply
    496.13x = 744.36 × 188.06
  4. Step 4: Simplify right side
    496.13x = 139,985.50
  5. Step 5: Solve for x
    x = 139,985.50/496.13
  6. Step 6: Final answer
    x = 282.16

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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.