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Finding the Fourth Proportional to 772.44, 1,066.23 and 524.52

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Solution

The fourth proportional to 772.44, 1,066.23 and 524.52 is: 724.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    772.44 : 1,066.23 = 524.52 : x
  2. Step 2: Convert to fraction form
    772.44/1,066.23 = 524.52/x
  3. Step 3: Cross multiply
    772.44x = 1,066.23 × 524.52
  4. Step 4: Simplify right side
    772.44x = 559,258.96
  5. Step 5: Solve for x
    x = 559,258.96/772.44
  6. Step 6: Final answer
    x = 724.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.