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Finding the Fourth Proportional to 459.69, 633.74 and 335.36

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Solution

The fourth proportional to 459.69, 633.74 and 335.36 is: 462.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    459.69 : 633.74 = 335.36 : x
  2. Step 2: Convert to fraction form
    459.69/633.74 = 335.36/x
  3. Step 3: Cross multiply
    459.69x = 633.74 × 335.36
  4. Step 4: Simplify right side
    459.69x = 212,526.20
  5. Step 5: Solve for x
    x = 212,526.20/459.69
  6. Step 6: Final answer
    x = 462.33

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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.