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Finding the Fourth Proportional to 994.66, 1,492.25 and 301.32

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Solution

The fourth proportional to 994.66, 1,492.25 and 301.32 is: 452.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    994.66 : 1,492.25 = 301.32 : x
  2. Step 2: Convert to fraction form
    994.66/1,492.25 = 301.32/x
  3. Step 3: Cross multiply
    994.66x = 1,492.25 × 301.32
  4. Step 4: Simplify right side
    994.66x = 449,644.77
  5. Step 5: Solve for x
    x = 449,644.77/994.66
  6. Step 6: Final answer
    x = 452.06

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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.