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Finding the Fourth Proportional to 364.25, 503.08 and 247.61

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Solution

The fourth proportional to 364.25, 503.08 and 247.61 is: 341.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.25 : 503.08 = 247.61 : x
  2. Step 2: Convert to fraction form
    364.25/503.08 = 247.61/x
  3. Step 3: Cross multiply
    364.25x = 503.08 × 247.61
  4. Step 4: Simplify right side
    364.25x = 124,567.64
  5. Step 5: Solve for x
    x = 124,567.64/364.25
  6. Step 6: Final answer
    x = 341.98

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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.