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Finding the Fourth Proportional to 459.35, 633.98 and 335.42

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Solution

The fourth proportional to 459.35, 633.98 and 335.42 is: 462.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    459.35 : 633.98 = 335.42 : x
  2. Step 2: Convert to fraction form
    459.35/633.98 = 335.42/x
  3. Step 3: Cross multiply
    459.35x = 633.98 × 335.42
  4. Step 4: Simplify right side
    459.35x = 212,647.73
  5. Step 5: Solve for x
    x = 212,647.73/459.35
  6. Step 6: Final answer
    x = 462.93

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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.