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Finding the Fourth Proportional to 356.34, 533.60 and 301.66

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Solution

The fourth proportional to 356.34, 533.60 and 301.66 is: 451.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    356.34 : 533.60 = 301.66 : x
  2. Step 2: Convert to fraction form
    356.34/533.60 = 301.66/x
  3. Step 3: Cross multiply
    356.34x = 533.60 × 301.66
  4. Step 4: Simplify right side
    356.34x = 160,964.27
  5. Step 5: Solve for x
    x = 160,964.27/356.34
  6. Step 6: Final answer
    x = 451.72

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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.