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Finding the Fourth Proportional to 895.25, 1,344.20 and 548.98

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Solution

The fourth proportional to 895.25, 1,344.20 and 548.98 is: 824.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.25 : 1,344.20 = 548.98 : x
  2. Step 2: Convert to fraction form
    895.25/1,344.20 = 548.98/x
  3. Step 3: Cross multiply
    895.25x = 1,344.20 × 548.98
  4. Step 4: Simplify right side
    895.25x = 737,932.81
  5. Step 5: Solve for x
    x = 737,932.81/895.25
  6. Step 6: Final answer
    x = 824.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.