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Finding the Fourth Proportional to 701.16, 1,051.02 and 376.68

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Solution

The fourth proportional to 701.16, 1,051.02 and 376.68 is: 564.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.16 : 1,051.02 = 376.68 : x
  2. Step 2: Convert to fraction form
    701.16/1,051.02 = 376.68/x
  3. Step 3: Cross multiply
    701.16x = 1,051.02 × 376.68
  4. Step 4: Simplify right side
    701.16x = 395,898.21
  5. Step 5: Solve for x
    x = 395,898.21/701.16
  6. Step 6: Final answer
    x = 564.63

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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.