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Finding the Fourth Proportional to 552.92, 762.95 and 366.05

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Solution

The fourth proportional to 552.92, 762.95 and 366.05 is: 505.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    552.92 : 762.95 = 366.05 : x
  2. Step 2: Convert to fraction form
    552.92/762.95 = 366.05/x
  3. Step 3: Cross multiply
    552.92x = 762.95 × 366.05
  4. Step 4: Simplify right side
    552.92x = 279,280.67
  5. Step 5: Solve for x
    x = 279,280.67/552.92
  6. Step 6: Final answer
    x = 505.11

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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.