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Finding the Fourth Proportional to 562.32, 842.04 and 273

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Solution

The fourth proportional to 562.32, 842.04 and 273 is: 408.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.32 : 842.04 = 273 : x
  2. Step 2: Convert to fraction form
    562.32/842.04 = 273/x
  3. Step 3: Cross multiply
    562.32x = 842.04 × 273
  4. Step 4: Simplify right side
    562.32x = 229,876.92
  5. Step 5: Solve for x
    x = 229,876.92/562.32
  6. Step 6: Final answer
    x = 408.80

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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.