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Finding the Fourth Proportional to 559, 771 and 337.92

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Solution

The fourth proportional to 559, 771 and 337.92 is: 466.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    559 : 771 = 337.92 : x
  2. Step 2: Convert to fraction form
    559/771 = 337.92/x
  3. Step 3: Cross multiply
    559x = 771 × 337.92
  4. Step 4: Simplify right side
    559x = 260,536.32
  5. Step 5: Solve for x
    x = 260,536.32/559
  6. Step 6: Final answer
    x = 466.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.