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Finding the Fourth Proportional to 584.08, 874.08 and 461.68

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Solution

The fourth proportional to 584.08, 874.08 and 461.68 is: 690.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.08 : 874.08 = 461.68 : x
  2. Step 2: Convert to fraction form
    584.08/874.08 = 461.68/x
  3. Step 3: Cross multiply
    584.08x = 874.08 × 461.68
  4. Step 4: Simplify right side
    584.08x = 403,545.25
  5. Step 5: Solve for x
    x = 403,545.25/584.08
  6. Step 6: Final answer
    x = 690.91

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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.