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Finding the Fourth Proportional to 524.14, 786.22 and 177.41

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Solution

The fourth proportional to 524.14, 786.22 and 177.41 is: 266.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.14 : 786.22 = 177.41 : x
  2. Step 2: Convert to fraction form
    524.14/786.22 = 177.41/x
  3. Step 3: Cross multiply
    524.14x = 786.22 × 177.41
  4. Step 4: Simplify right side
    524.14x = 139,483.29
  5. Step 5: Solve for x
    x = 139,483.29/524.14
  6. Step 6: Final answer
    x = 266.12

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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.