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Finding the Fourth Proportional to 533.73, 736.98 and 347.16

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Solution

The fourth proportional to 533.73, 736.98 and 347.16 is: 479.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.73 : 736.98 = 347.16 : x
  2. Step 2: Convert to fraction form
    533.73/736.98 = 347.16/x
  3. Step 3: Cross multiply
    533.73x = 736.98 × 347.16
  4. Step 4: Simplify right side
    533.73x = 255,849.98
  5. Step 5: Solve for x
    x = 255,849.98/533.73
  6. Step 6: Final answer
    x = 479.36

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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.