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Finding the Fourth Proportional to 424.42, 586.26 and 341.84

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Solution

The fourth proportional to 424.42, 586.26 and 341.84 is: 472.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    424.42 : 586.26 = 341.84 : x
  2. Step 2: Convert to fraction form
    424.42/586.26 = 341.84/x
  3. Step 3: Cross multiply
    424.42x = 586.26 × 341.84
  4. Step 4: Simplify right side
    424.42x = 200,407.12
  5. Step 5: Solve for x
    x = 200,407.12/424.42
  6. Step 6: Final answer
    x = 472.19

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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.