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Finding the Fourth Proportional to 701.41, 1,051.92 and 335.47

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Solution

The fourth proportional to 701.41, 1,051.92 and 335.47 is: 503.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.41 : 1,051.92 = 335.47 : x
  2. Step 2: Convert to fraction form
    701.41/1,051.92 = 335.47/x
  3. Step 3: Cross multiply
    701.41x = 1,051.92 × 335.47
  4. Step 4: Simplify right side
    701.41x = 352,887.60
  5. Step 5: Solve for x
    x = 352,887.60/701.41
  6. Step 6: Final answer
    x = 503.11

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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.