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Finding the Fourth Proportional to 616.29, 924.44 and 264.86

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Solution

The fourth proportional to 616.29, 924.44 and 264.86 is: 397.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.29 : 924.44 = 264.86 : x
  2. Step 2: Convert to fraction form
    616.29/924.44 = 264.86/x
  3. Step 3: Cross multiply
    616.29x = 924.44 × 264.86
  4. Step 4: Simplify right side
    616.29x = 244,841.23
  5. Step 5: Solve for x
    x = 244,841.23/616.29
  6. Step 6: Final answer
    x = 397.28

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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.