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Finding the Fourth Proportional to 994.82, 1,492.25 and 586.82

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Solution

The fourth proportional to 994.82, 1,492.25 and 586.82 is: 880.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    994.82 : 1,492.25 = 586.82 : x
  2. Step 2: Convert to fraction form
    994.82/1,492.25 = 586.82/x
  3. Step 3: Cross multiply
    994.82x = 1,492.25 × 586.82
  4. Step 4: Simplify right side
    994.82x = 875,682.15
  5. Step 5: Solve for x
    x = 875,682.15/994.82
  6. Step 6: Final answer
    x = 880.24

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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.