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Finding the Fourth Proportional to 416.96, 626 and 334.74

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Solution

The fourth proportional to 416.96, 626 and 334.74 is: 502.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.96 : 626 = 334.74 : x
  2. Step 2: Convert to fraction form
    416.96/626 = 334.74/x
  3. Step 3: Cross multiply
    416.96x = 626 × 334.74
  4. Step 4: Simplify right side
    416.96x = 209,547.24
  5. Step 5: Solve for x
    x = 209,547.24/416.96
  6. Step 6: Final answer
    x = 502.56

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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.