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Finding the Fourth Proportional to 556.93, 834.76 and 282.44

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Solution

The fourth proportional to 556.93, 834.76 and 282.44 is: 423.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.93 : 834.76 = 282.44 : x
  2. Step 2: Convert to fraction form
    556.93/834.76 = 282.44/x
  3. Step 3: Cross multiply
    556.93x = 834.76 × 282.44
  4. Step 4: Simplify right side
    556.93x = 235,767.86
  5. Step 5: Solve for x
    x = 235,767.86/556.93
  6. Step 6: Final answer
    x = 423.34

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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.