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Finding the Fourth Proportional to 364.39, 503.12 and 224.56

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Solution

The fourth proportional to 364.39, 503.12 and 224.56 is: 310.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.39 : 503.12 = 224.56 : x
  2. Step 2: Convert to fraction form
    364.39/503.12 = 224.56/x
  3. Step 3: Cross multiply
    364.39x = 503.12 × 224.56
  4. Step 4: Simplify right side
    364.39x = 112,980.63
  5. Step 5: Solve for x
    x = 112,980.63/364.39
  6. Step 6: Final answer
    x = 310.05

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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.