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Finding the Fourth Proportional to 616, 924.21 and 250.72

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Solution

The fourth proportional to 616, 924.21 and 250.72 is: 376.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    616 : 924.21 = 250.72 : x
  2. Step 2: Convert to fraction form
    616/924.21 = 250.72/x
  3. Step 3: Cross multiply
    616x = 924.21 × 250.72
  4. Step 4: Simplify right side
    616x = 231,717.93
  5. Step 5: Solve for x
    x = 231,717.93/616
  6. Step 6: Final answer
    x = 376.17

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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.