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Finding the Fourth Proportional to 701.37, 1,051.31 and 354.96

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Solution

The fourth proportional to 701.37, 1,051.31 and 354.96 is: 532.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.37 : 1,051.31 = 354.96 : x
  2. Step 2: Convert to fraction form
    701.37/1,051.31 = 354.96/x
  3. Step 3: Cross multiply
    701.37x = 1,051.31 × 354.96
  4. Step 4: Simplify right side
    701.37x = 373,173.89
  5. Step 5: Solve for x
    x = 373,173.89/701.37
  6. Step 6: Final answer
    x = 532.06

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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.