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Finding the Fourth Proportional to 333.03, 458.66 and 325.86

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Solution

The fourth proportional to 333.03, 458.66 and 325.86 is: 448.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.03 : 458.66 = 325.86 : x
  2. Step 2: Convert to fraction form
    333.03/458.66 = 325.86/x
  3. Step 3: Cross multiply
    333.03x = 458.66 × 325.86
  4. Step 4: Simplify right side
    333.03x = 149,457.32
  5. Step 5: Solve for x
    x = 149,457.32/333.03
  6. Step 6: Final answer
    x = 448.78

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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.