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Finding the Fourth Proportional to 366.92, 552.95 and 313.52

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Solution

The fourth proportional to 366.92, 552.95 and 313.52 is: 472.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.92 : 552.95 = 313.52 : x
  2. Step 2: Convert to fraction form
    366.92/552.95 = 313.52/x
  3. Step 3: Cross multiply
    366.92x = 552.95 × 313.52
  4. Step 4: Simplify right side
    366.92x = 173,360.88
  5. Step 5: Solve for x
    x = 173,360.88/366.92
  6. Step 6: Final answer
    x = 472.48

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.