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Finding the Fourth Proportional to 424.48, 584.88 and 341.68

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Solution

The fourth proportional to 424.48, 584.88 and 341.68 is: 470.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    424.48 : 584.88 = 341.68 : x
  2. Step 2: Convert to fraction form
    424.48/584.88 = 341.68/x
  3. Step 3: Cross multiply
    424.48x = 584.88 × 341.68
  4. Step 4: Simplify right side
    424.48x = 199,841.80
  5. Step 5: Solve for x
    x = 199,841.80/424.48
  6. Step 6: Final answer
    x = 470.79

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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.