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Finding the Fourth Proportional to 589.50, 883.86 and 260.44

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Solution

The fourth proportional to 589.50, 883.86 and 260.44 is: 390.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.50 : 883.86 = 260.44 : x
  2. Step 2: Convert to fraction form
    589.50/883.86 = 260.44/x
  3. Step 3: Cross multiply
    589.50x = 883.86 × 260.44
  4. Step 4: Simplify right side
    589.50x = 230,192.50
  5. Step 5: Solve for x
    x = 230,192.50/589.50
  6. Step 6: Final answer
    x = 390.49

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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.