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Finding the Fourth Proportional to 220.04, 328.63 and 174.44

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Solution

The fourth proportional to 220.04, 328.63 and 174.44 is: 260.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    220.04 : 328.63 = 174.44 : x
  2. Step 2: Convert to fraction form
    220.04/328.63 = 174.44/x
  3. Step 3: Cross multiply
    220.04x = 328.63 × 174.44
  4. Step 4: Simplify right side
    220.04x = 57,326.22
  5. Step 5: Solve for x
    x = 57,326.22/220.04
  6. Step 6: Final answer
    x = 260.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.