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Finding the Fourth Proportional to 364.56, 503.04 and 213.16

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Solution

The fourth proportional to 364.56, 503.04 and 213.16 is: 294.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.56 : 503.04 = 213.16 : x
  2. Step 2: Convert to fraction form
    364.56/503.04 = 213.16/x
  3. Step 3: Cross multiply
    364.56x = 503.04 × 213.16
  4. Step 4: Simplify right side
    364.56x = 107,225.49
  5. Step 5: Solve for x
    x = 107,225.49/364.56
  6. Step 6: Final answer
    x = 294.13

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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.