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Finding the Fourth Proportional to 533.16, 735.48 and 358.56

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Solution

The fourth proportional to 533.16, 735.48 and 358.56 is: 494.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.16 : 735.48 = 358.56 : x
  2. Step 2: Convert to fraction form
    533.16/735.48 = 358.56/x
  3. Step 3: Cross multiply
    533.16x = 735.48 × 358.56
  4. Step 4: Simplify right side
    533.16x = 263,713.71
  5. Step 5: Solve for x
    x = 263,713.71/533.16
  6. Step 6: Final answer
    x = 494.62

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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.