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Finding the Fourth Proportional to 533.84, 736.53 and 300.92

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Solution

The fourth proportional to 533.84, 736.53 and 300.92 is: 415.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.84 : 736.53 = 300.92 : x
  2. Step 2: Convert to fraction form
    533.84/736.53 = 300.92/x
  3. Step 3: Cross multiply
    533.84x = 736.53 × 300.92
  4. Step 4: Simplify right side
    533.84x = 221,636.61
  5. Step 5: Solve for x
    x = 221,636.61/533.84
  6. Step 6: Final answer
    x = 415.17

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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.