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Finding the Fourth Proportional to 616.96, 924.16 and 360.32

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Solution

The fourth proportional to 616.96, 924.16 and 360.32 is: 539.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.96 : 924.16 = 360.32 : x
  2. Step 2: Convert to fraction form
    616.96/924.16 = 360.32/x
  3. Step 3: Cross multiply
    616.96x = 924.16 × 360.32
  4. Step 4: Simplify right side
    616.96x = 332,993.33
  5. Step 5: Solve for x
    x = 332,993.33/616.96
  6. Step 6: Final answer
    x = 539.73

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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.