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Finding the Fourth Proportional to 459.54, 634.16 and 263.04

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Solution

The fourth proportional to 459.54, 634.16 and 263.04 is: 362.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    459.54 : 634.16 = 263.04 : x
  2. Step 2: Convert to fraction form
    459.54/634.16 = 263.04/x
  3. Step 3: Cross multiply
    459.54x = 634.16 × 263.04
  4. Step 4: Simplify right side
    459.54x = 166,809.45
  5. Step 5: Solve for x
    x = 166,809.45/459.54
  6. Step 6: Final answer
    x = 362.99

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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.