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Finding the Fourth Proportional to 364.36, 503.28 and 302.44

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Solution

The fourth proportional to 364.36, 503.28 and 302.44 is: 417.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.36 : 503.28 = 302.44 : x
  2. Step 2: Convert to fraction form
    364.36/503.28 = 302.44/x
  3. Step 3: Cross multiply
    364.36x = 503.28 × 302.44
  4. Step 4: Simplify right side
    364.36x = 152,212.00
  5. Step 5: Solve for x
    x = 152,212.00/364.36
  6. Step 6: Final answer
    x = 417.75

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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.