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Finding the Fourth Proportional to 675.97, 933.84 and 535.63

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Solution

The fourth proportional to 675.97, 933.84 and 535.63 is: 739.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    675.97 : 933.84 = 535.63 : x
  2. Step 2: Convert to fraction form
    675.97/933.84 = 535.63/x
  3. Step 3: Cross multiply
    675.97x = 933.84 × 535.63
  4. Step 4: Simplify right side
    675.97x = 500,192.72
  5. Step 5: Solve for x
    x = 500,192.72/675.97
  6. Step 6: Final answer
    x = 739.96

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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.