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Finding the Fourth Proportional to 206.34, 284.88 and 184.47

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Solution

The fourth proportional to 206.34, 284.88 and 184.47 is: 254.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    206.34 : 284.88 = 184.47 : x
  2. Step 2: Convert to fraction form
    206.34/284.88 = 184.47/x
  3. Step 3: Cross multiply
    206.34x = 284.88 × 184.47
  4. Step 4: Simplify right side
    206.34x = 52,551.81
  5. Step 5: Solve for x
    x = 52,551.81/206.34
  6. Step 6: Final answer
    x = 254.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.