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Finding the Fourth Proportional to 364.82, 503.55 and 265.28

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Solution

The fourth proportional to 364.82, 503.55 and 265.28 is: 366.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.82 : 503.55 = 265.28 : x
  2. Step 2: Convert to fraction form
    364.82/503.55 = 265.28/x
  3. Step 3: Cross multiply
    364.82x = 503.55 × 265.28
  4. Step 4: Simplify right side
    364.82x = 133,583.00
  5. Step 5: Solve for x
    x = 133,583.00/364.82
  6. Step 6: Final answer
    x = 366.16

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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.