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Finding the Fourth Proportional to 584.96, 877.72 and 578.22

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Solution

The fourth proportional to 584.96, 877.72 and 578.22 is: 867.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.96 : 877.72 = 578.22 : x
  2. Step 2: Convert to fraction form
    584.96/877.72 = 578.22/x
  3. Step 3: Cross multiply
    584.96x = 877.72 × 578.22
  4. Step 4: Simplify right side
    584.96x = 507,515.26
  5. Step 5: Solve for x
    x = 507,515.26/584.96
  6. Step 6: Final answer
    x = 867.61

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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.