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Finding the Fourth Proportional to 350.49, 483.21 and 252.07

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Solution

The fourth proportional to 350.49, 483.21 and 252.07 is: 347.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.49 : 483.21 = 252.07 : x
  2. Step 2: Convert to fraction form
    350.49/483.21 = 252.07/x
  3. Step 3: Cross multiply
    350.49x = 483.21 × 252.07
  4. Step 4: Simplify right side
    350.49x = 121,802.74
  5. Step 5: Solve for x
    x = 121,802.74/350.49
  6. Step 6: Final answer
    x = 347.52

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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.