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Finding the Fourth Proportional to 459.68, 633.84 and 335.12

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Solution

The fourth proportional to 459.68, 633.84 and 335.12 is: 462.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    459.68 : 633.84 = 335.12 : x
  2. Step 2: Convert to fraction form
    459.68/633.84 = 335.12/x
  3. Step 3: Cross multiply
    459.68x = 633.84 × 335.12
  4. Step 4: Simplify right side
    459.68x = 212,412.46
  5. Step 5: Solve for x
    x = 212,412.46/459.68
  6. Step 6: Final answer
    x = 462.09

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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.