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Finding the Fourth Proportional to 556.68, 834.22 and 524.36

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Solution

The fourth proportional to 556.68, 834.22 and 524.36 is: 785.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.68 : 834.22 = 524.36 : x
  2. Step 2: Convert to fraction form
    556.68/834.22 = 524.36/x
  3. Step 3: Cross multiply
    556.68x = 834.22 × 524.36
  4. Step 4: Simplify right side
    556.68x = 437,431.60
  5. Step 5: Solve for x
    x = 437,431.60/556.68
  6. Step 6: Final answer
    x = 785.79

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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.