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Finding the Fourth Proportional to 894.25, 1,341.87 and 586.24

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Solution

The fourth proportional to 894.25, 1,341.87 and 586.24 is: 879.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    894.25 : 1,341.87 = 586.24 : x
  2. Step 2: Convert to fraction form
    894.25/1,341.87 = 586.24/x
  3. Step 3: Cross multiply
    894.25x = 1,341.87 × 586.24
  4. Step 4: Simplify right side
    894.25x = 786,657.87
  5. Step 5: Solve for x
    x = 786,657.87/894.25
  6. Step 6: Final answer
    x = 879.68

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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.