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Finding the Fourth Proportional to 464.59, 641.29 and 333.98

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Solution

The fourth proportional to 464.59, 641.29 and 333.98 is: 461.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.59 : 641.29 = 333.98 : x
  2. Step 2: Convert to fraction form
    464.59/641.29 = 333.98/x
  3. Step 3: Cross multiply
    464.59x = 641.29 × 333.98
  4. Step 4: Simplify right side
    464.59x = 214,179.25
  5. Step 5: Solve for x
    x = 214,179.25/464.59
  6. Step 6: Final answer
    x = 461.00

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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.