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Finding the Fourth Proportional to 589.17, 882.60 and 404.05

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Solution

The fourth proportional to 589.17, 882.60 and 404.05 is: 605.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.17 : 882.60 = 404.05 : x
  2. Step 2: Convert to fraction form
    589.17/882.60 = 404.05/x
  3. Step 3: Cross multiply
    589.17x = 882.60 × 404.05
  4. Step 4: Simplify right side
    589.17x = 356,612.32
  5. Step 5: Solve for x
    x = 356,612.32/589.17
  6. Step 6: Final answer
    x = 605.28

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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.