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Finding the Fourth Proportional to 584.37, 876.76 and 276.26

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Solution

The fourth proportional to 584.37, 876.76 and 276.26 is: 414.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.37 : 876.76 = 276.26 : x
  2. Step 2: Convert to fraction form
    584.37/876.76 = 276.26/x
  3. Step 3: Cross multiply
    584.37x = 876.76 × 276.26
  4. Step 4: Simplify right side
    584.37x = 242,208.64
  5. Step 5: Solve for x
    x = 242,208.64/584.37
  6. Step 6: Final answer
    x = 414.48

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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.