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Finding the Fourth Proportional to 364.60, 502.90 and 224.62

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Solution

The fourth proportional to 364.60, 502.90 and 224.62 is: 309.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.60 : 502.90 = 224.62 : x
  2. Step 2: Convert to fraction form
    364.60/502.90 = 224.62/x
  3. Step 3: Cross multiply
    364.60x = 502.90 × 224.62
  4. Step 4: Simplify right side
    364.60x = 112,961.40
  5. Step 5: Solve for x
    x = 112,961.40/364.60
  6. Step 6: Final answer
    x = 309.82

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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.