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Finding the Fourth Proportional to 334.46, 501.21 and 262.46

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Solution

The fourth proportional to 334.46, 501.21 and 262.46 is: 393.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.46 : 501.21 = 262.46 : x
  2. Step 2: Convert to fraction form
    334.46/501.21 = 262.46/x
  3. Step 3: Cross multiply
    334.46x = 501.21 × 262.46
  4. Step 4: Simplify right side
    334.46x = 131,547.58
  5. Step 5: Solve for x
    x = 131,547.58/334.46
  6. Step 6: Final answer
    x = 393.31

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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.