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Finding the Fourth Proportional to 552.94, 825.71 and 524.86

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Solution

The fourth proportional to 552.94, 825.71 and 524.86 is: 783.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    552.94 : 825.71 = 524.86 : x
  2. Step 2: Convert to fraction form
    552.94/825.71 = 524.86/x
  3. Step 3: Cross multiply
    552.94x = 825.71 × 524.86
  4. Step 4: Simplify right side
    552.94x = 433,382.15
  5. Step 5: Solve for x
    x = 433,382.15/552.94
  6. Step 6: Final answer
    x = 783.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.