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Finding the Fourth Proportional to 895.89, 1,344.66 and 635.14

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Solution

The fourth proportional to 895.89, 1,344.66 and 635.14 is: 953.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.89 : 1,344.66 = 635.14 : x
  2. Step 2: Convert to fraction form
    895.89/1,344.66 = 635.14/x
  3. Step 3: Cross multiply
    895.89x = 1,344.66 × 635.14
  4. Step 4: Simplify right side
    895.89x = 854,047.35
  5. Step 5: Solve for x
    x = 854,047.35/895.89
  6. Step 6: Final answer
    x = 953.29

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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.