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Finding the Fourth Proportional to 584.21, 875.70 and 364.83

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Solution

The fourth proportional to 584.21, 875.70 and 364.83 is: 546.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.21 : 875.70 = 364.83 : x
  2. Step 2: Convert to fraction form
    584.21/875.70 = 364.83/x
  3. Step 3: Cross multiply
    584.21x = 875.70 × 364.83
  4. Step 4: Simplify right side
    584.21x = 319,481.63
  5. Step 5: Solve for x
    x = 319,481.63/584.21
  6. Step 6: Final answer
    x = 546.87

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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.