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Finding the Fourth Proportional to 434.94, 652.24 and 160.95

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Solution

The fourth proportional to 434.94, 652.24 and 160.95 is: 241.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    434.94 : 652.24 = 160.95 : x
  2. Step 2: Convert to fraction form
    434.94/652.24 = 160.95/x
  3. Step 3: Cross multiply
    434.94x = 652.24 × 160.95
  4. Step 4: Simplify right side
    434.94x = 104,978.03
  5. Step 5: Solve for x
    x = 104,978.03/434.94
  6. Step 6: Final answer
    x = 241.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.