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Finding the Fourth Proportional to 533.84, 798.74 and 401.83

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Solution

The fourth proportional to 533.84, 798.74 and 401.83 is: 601.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.84 : 798.74 = 401.83 : x
  2. Step 2: Convert to fraction form
    533.84/798.74 = 401.83/x
  3. Step 3: Cross multiply
    533.84x = 798.74 × 401.83
  4. Step 4: Simplify right side
    533.84x = 320,957.46
  5. Step 5: Solve for x
    x = 320,957.46/533.84
  6. Step 6: Final answer
    x = 601.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.