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Finding the Fourth Proportional to 417.26, 576.10 and 293.34

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Solution

The fourth proportional to 417.26, 576.10 and 293.34 is: 405.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    417.26 : 576.10 = 293.34 : x
  2. Step 2: Convert to fraction form
    417.26/576.10 = 293.34/x
  3. Step 3: Cross multiply
    417.26x = 576.10 × 293.34
  4. Step 4: Simplify right side
    417.26x = 168,993.17
  5. Step 5: Solve for x
    x = 168,993.17/417.26
  6. Step 6: Final answer
    x = 405.01

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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.