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Finding the Fourth Proportional to 589.76, 883.94 and 264.40

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Solution

The fourth proportional to 589.76, 883.94 and 264.40 is: 396.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.76 : 883.94 = 264.40 : x
  2. Step 2: Convert to fraction form
    589.76/883.94 = 264.40/x
  3. Step 3: Cross multiply
    589.76x = 883.94 × 264.40
  4. Step 4: Simplify right side
    589.76x = 233,713.74
  5. Step 5: Solve for x
    x = 233,713.74/589.76
  6. Step 6: Final answer
    x = 396.29

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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.