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Finding the Fourth Proportional to 468.13, 701.57 and 359.39

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Solution

The fourth proportional to 468.13, 701.57 and 359.39 is: 538.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.13 : 701.57 = 359.39 : x
  2. Step 2: Convert to fraction form
    468.13/701.57 = 359.39/x
  3. Step 3: Cross multiply
    468.13x = 701.57 × 359.39
  4. Step 4: Simplify right side
    468.13x = 252,137.24
  5. Step 5: Solve for x
    x = 252,137.24/468.13
  6. Step 6: Final answer
    x = 538.61

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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.