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Finding the Fourth Proportional to 292, 438.24 and 184

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Solution

The fourth proportional to 292, 438.24 and 184 is: 276.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    292 : 438.24 = 184 : x
  2. Step 2: Convert to fraction form
    292/438.24 = 184/x
  3. Step 3: Cross multiply
    292x = 438.24 × 184
  4. Step 4: Simplify right side
    292x = 80,636.16
  5. Step 5: Solve for x
    x = 80,636.16/292
  6. Step 6: Final answer
    x = 276.15

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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.