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Finding the Fourth Proportional to 316.84, 437.26 and 184.11

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Solution

The fourth proportional to 316.84, 437.26 and 184.11 is: 254.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    316.84 : 437.26 = 184.11 : x
  2. Step 2: Convert to fraction form
    316.84/437.26 = 184.11/x
  3. Step 3: Cross multiply
    316.84x = 437.26 × 184.11
  4. Step 4: Simplify right side
    316.84x = 80,503.94
  5. Step 5: Solve for x
    x = 80,503.94/316.84
  6. Step 6: Final answer
    x = 254.08

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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.