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Finding the Fourth Proportional to 284.34, 426.50 and 162.53

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Solution

The fourth proportional to 284.34, 426.50 and 162.53 is: 243.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    284.34 : 426.50 = 162.53 : x
  2. Step 2: Convert to fraction form
    284.34/426.50 = 162.53/x
  3. Step 3: Cross multiply
    284.34x = 426.50 × 162.53
  4. Step 4: Simplify right side
    284.34x = 69,316.10
  5. Step 5: Solve for x
    x = 69,316.10/284.34
  6. Step 6: Final answer
    x = 243.78

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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.