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Finding the Fourth Proportional to 896.02, 1,236.52 and 546.50

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Solution

The fourth proportional to 896.02, 1,236.52 and 546.50 is: 754.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    896.02 : 1,236.52 = 546.50 : x
  2. Step 2: Convert to fraction form
    896.02/1,236.52 = 546.50/x
  3. Step 3: Cross multiply
    896.02x = 1,236.52 × 546.50
  4. Step 4: Simplify right side
    896.02x = 675,758.18
  5. Step 5: Solve for x
    x = 675,758.18/896.02
  6. Step 6: Final answer
    x = 754.18

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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.