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Finding the Fourth Proportional to 452.21, 623.99 and 334.24

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Solution

The fourth proportional to 452.21, 623.99 and 334.24 is: 461.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.21 : 623.99 = 334.24 : x
  2. Step 2: Convert to fraction form
    452.21/623.99 = 334.24/x
  3. Step 3: Cross multiply
    452.21x = 623.99 × 334.24
  4. Step 4: Simplify right side
    452.21x = 208,561.69
  5. Step 5: Solve for x
    x = 208,561.69/452.21
  6. Step 6: Final answer
    x = 461.21

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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.