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Finding the Fourth Proportional to 364.81, 502.59 and 252.67

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Solution

The fourth proportional to 364.81, 502.59 and 252.67 is: 348.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.81 : 502.59 = 252.67 : x
  2. Step 2: Convert to fraction form
    364.81/502.59 = 252.67/x
  3. Step 3: Cross multiply
    364.81x = 502.59 × 252.67
  4. Step 4: Simplify right side
    364.81x = 126,988.16
  5. Step 5: Solve for x
    x = 126,988.16/364.81
  6. Step 6: Final answer
    x = 348.10

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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.