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Finding the Fourth Proportional to 586.92, 809.94 and 324.94

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Solution

The fourth proportional to 586.92, 809.94 and 324.94 is: 448.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.92 : 809.94 = 324.94 : x
  2. Step 2: Convert to fraction form
    586.92/809.94 = 324.94/x
  3. Step 3: Cross multiply
    586.92x = 809.94 × 324.94
  4. Step 4: Simplify right side
    586.92x = 263,181.90
  5. Step 5: Solve for x
    x = 263,181.90/586.92
  6. Step 6: Final answer
    x = 448.41

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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.