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Finding the Fourth Proportional to 895.25, 1,343.42 and 382.25

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Solution

The fourth proportional to 895.25, 1,343.42 and 382.25 is: 573.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.25 : 1,343.42 = 382.25 : x
  2. Step 2: Convert to fraction form
    895.25/1,343.42 = 382.25/x
  3. Step 3: Cross multiply
    895.25x = 1,343.42 × 382.25
  4. Step 4: Simplify right side
    895.25x = 513,522.30
  5. Step 5: Solve for x
    x = 513,522.30/895.25
  6. Step 6: Final answer
    x = 573.61

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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.