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Finding the Fourth Proportional to 589.76, 884.48 and 296.96

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Solution

The fourth proportional to 589.76, 884.48 and 296.96 is: 445.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.76 : 884.48 = 296.96 : x
  2. Step 2: Convert to fraction form
    589.76/884.48 = 296.96/x
  3. Step 3: Cross multiply
    589.76x = 884.48 × 296.96
  4. Step 4: Simplify right side
    589.76x = 262,655.18
  5. Step 5: Solve for x
    x = 262,655.18/589.76
  6. Step 6: Final answer
    x = 445.36

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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.