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Finding the Fourth Proportional to 459.29, 633.28 and 335

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Solution

The fourth proportional to 459.29, 633.28 and 335 is: 461.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    459.29 : 633.28 = 335 : x
  2. Step 2: Convert to fraction form
    459.29/633.28 = 335/x
  3. Step 3: Cross multiply
    459.29x = 633.28 × 335
  4. Step 4: Simplify right side
    459.29x = 212,148.80
  5. Step 5: Solve for x
    x = 212,148.80/459.29
  6. Step 6: Final answer
    x = 461.91

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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.