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Finding the Fourth Proportional to 365.07, 503.91 and 234.06

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Solution

The fourth proportional to 365.07, 503.91 and 234.06 is: 323.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.07 : 503.91 = 234.06 : x
  2. Step 2: Convert to fraction form
    365.07/503.91 = 234.06/x
  3. Step 3: Cross multiply
    365.07x = 503.91 × 234.06
  4. Step 4: Simplify right side
    365.07x = 117,945.17
  5. Step 5: Solve for x
    x = 117,945.17/365.07
  6. Step 6: Final answer
    x = 323.08

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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.