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Finding the Fourth Proportional to 586.74, 880.26 and 327

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Solution

The fourth proportional to 586.74, 880.26 and 327 is: 490.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.74 : 880.26 = 327 : x
  2. Step 2: Convert to fraction form
    586.74/880.26 = 327/x
  3. Step 3: Cross multiply
    586.74x = 880.26 × 327
  4. Step 4: Simplify right side
    586.74x = 287,845.02
  5. Step 5: Solve for x
    x = 287,845.02/586.74
  6. Step 6: Final answer
    x = 490.58

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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.