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Finding the Fourth Proportional to 584.02, 871.19 and 522.46

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Solution

The fourth proportional to 584.02, 871.19 and 522.46 is: 779.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.02 : 871.19 = 522.46 : x
  2. Step 2: Convert to fraction form
    584.02/871.19 = 522.46/x
  3. Step 3: Cross multiply
    584.02x = 871.19 × 522.46
  4. Step 4: Simplify right side
    584.02x = 455,161.93
  5. Step 5: Solve for x
    x = 455,161.93/584.02
  6. Step 6: Final answer
    x = 779.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.