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Finding the Fourth Proportional to 446.74, 616.53 and 250.24

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Solution

The fourth proportional to 446.74, 616.53 and 250.24 is: 345.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    446.74 : 616.53 = 250.24 : x
  2. Step 2: Convert to fraction form
    446.74/616.53 = 250.24/x
  3. Step 3: Cross multiply
    446.74x = 616.53 × 250.24
  4. Step 4: Simplify right side
    446.74x = 154,278.93
  5. Step 5: Solve for x
    x = 154,278.93/446.74
  6. Step 6: Final answer
    x = 345.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.