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Finding the Fourth Proportional to 292.89, 438.26 and 184.17

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Solution

The fourth proportional to 292.89, 438.26 and 184.17 is: 275.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.89 : 438.26 = 184.17 : x
  2. Step 2: Convert to fraction form
    292.89/438.26 = 184.17/x
  3. Step 3: Cross multiply
    292.89x = 438.26 × 184.17
  4. Step 4: Simplify right side
    292.89x = 80,713.42
  5. Step 5: Solve for x
    x = 80,713.42/292.89
  6. Step 6: Final answer
    x = 275.58

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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.