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Finding the Fourth Proportional to 292.26, 438.40 and 184.14

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Solution

The fourth proportional to 292.26, 438.40 and 184.14 is: 276.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.26 : 438.40 = 184.14 : x
  2. Step 2: Convert to fraction form
    292.26/438.40 = 184.14/x
  3. Step 3: Cross multiply
    292.26x = 438.40 × 184.14
  4. Step 4: Simplify right side
    292.26x = 80,726.98
  5. Step 5: Solve for x
    x = 80,726.98/292.26
  6. Step 6: Final answer
    x = 276.22

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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.