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Finding the Fourth Proportional to 583.46, 875.10 and 551.33

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Solution

The fourth proportional to 583.46, 875.10 and 551.33 is: 826.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.46 : 875.10 = 551.33 : x
  2. Step 2: Convert to fraction form
    583.46/875.10 = 551.33/x
  3. Step 3: Cross multiply
    583.46x = 875.10 × 551.33
  4. Step 4: Simplify right side
    583.46x = 482,468.88
  5. Step 5: Solve for x
    x = 482,468.88/583.46
  6. Step 6: Final answer
    x = 826.91

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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.