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Finding the Fourth Proportional to 590.65, 885.99 and 179.84

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Solution

The fourth proportional to 590.65, 885.99 and 179.84 is: 269.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.65 : 885.99 = 179.84 : x
  2. Step 2: Convert to fraction form
    590.65/885.99 = 179.84/x
  3. Step 3: Cross multiply
    590.65x = 885.99 × 179.84
  4. Step 4: Simplify right side
    590.65x = 159,336.44
  5. Step 5: Solve for x
    x = 159,336.44/590.65
  6. Step 6: Final answer
    x = 269.76

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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.