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Finding the Fourth Proportional to 459.95, 635.00 and 335.39

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Solution

The fourth proportional to 459.95, 635.00 and 335.39 is: 463.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    459.95 : 635.00 = 335.39 : x
  2. Step 2: Convert to fraction form
    459.95/635.00 = 335.39/x
  3. Step 3: Cross multiply
    459.95x = 635.00 × 335.39
  4. Step 4: Simplify right side
    459.95x = 212,967.80
  5. Step 5: Solve for x
    x = 212,967.80/459.95
  6. Step 6: Final answer
    x = 463.03

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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.