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Finding the Fourth Proportional to 616.84, 924.62 and 251.44

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Solution

The fourth proportional to 616.84, 924.62 and 251.44 is: 376.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.84 : 924.62 = 251.44 : x
  2. Step 2: Convert to fraction form
    616.84/924.62 = 251.44/x
  3. Step 3: Cross multiply
    616.84x = 924.62 × 251.44
  4. Step 4: Simplify right side
    616.84x = 232,486.45
  5. Step 5: Solve for x
    x = 232,486.45/616.84
  6. Step 6: Final answer
    x = 376.90

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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.