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Finding the Fourth Proportional to 458.95, 633.33 and 262.45

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Solution

The fourth proportional to 458.95, 633.33 and 262.45 is: 362.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    458.95 : 633.33 = 262.45 : x
  2. Step 2: Convert to fraction form
    458.95/633.33 = 262.45/x
  3. Step 3: Cross multiply
    458.95x = 633.33 × 262.45
  4. Step 4: Simplify right side
    458.95x = 166,217.46
  5. Step 5: Solve for x
    x = 166,217.46/458.95
  6. Step 6: Final answer
    x = 362.17

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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.