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Finding the Fourth Proportional to 589.43, 882.04 and 554.39

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Solution

The fourth proportional to 589.43, 882.04 and 554.39 is: 829.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.43 : 882.04 = 554.39 : x
  2. Step 2: Convert to fraction form
    589.43/882.04 = 554.39/x
  3. Step 3: Cross multiply
    589.43x = 882.04 × 554.39
  4. Step 4: Simplify right side
    589.43x = 488,997.67
  5. Step 5: Solve for x
    x = 488,997.67/589.43
  6. Step 6: Final answer
    x = 829.62

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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.