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Finding the Fourth Proportional to 773.08, 1,066.46 and 524.44

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Solution

The fourth proportional to 773.08, 1,066.46 and 524.44 is: 723.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    773.08 : 1,066.46 = 524.44 : x
  2. Step 2: Convert to fraction form
    773.08/1,066.46 = 524.44/x
  3. Step 3: Cross multiply
    773.08x = 1,066.46 × 524.44
  4. Step 4: Simplify right side
    773.08x = 559,294.28
  5. Step 5: Solve for x
    x = 559,294.28/773.08
  6. Step 6: Final answer
    x = 723.46

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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.