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Finding the Fourth Proportional to 424.14, 585.68 and 293.46

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Solution

The fourth proportional to 424.14, 585.68 and 293.46 is: 405.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    424.14 : 585.68 = 293.46 : x
  2. Step 2: Convert to fraction form
    424.14/585.68 = 293.46/x
  3. Step 3: Cross multiply
    424.14x = 585.68 × 293.46
  4. Step 4: Simplify right side
    424.14x = 171,872.19
  5. Step 5: Solve for x
    x = 171,872.19/424.14
  6. Step 6: Final answer
    x = 405.23

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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.