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Finding the Fourth Proportional to 417.24, 575.46 and 333.72

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Solution

The fourth proportional to 417.24, 575.46 and 333.72 is: 460.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    417.24 : 575.46 = 333.72 : x
  2. Step 2: Convert to fraction form
    417.24/575.46 = 333.72/x
  3. Step 3: Cross multiply
    417.24x = 575.46 × 333.72
  4. Step 4: Simplify right side
    417.24x = 192,042.51
  5. Step 5: Solve for x
    x = 192,042.51/417.24
  6. Step 6: Final answer
    x = 460.27

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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.