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Finding the Fourth Proportional to 1,768.37, 2,652.26 and 469.94

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Solution

The fourth proportional to 1,768.37, 2,652.26 and 469.94 is: 704.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768.37 : 2,652.26 = 469.94 : x
  2. Step 2: Convert to fraction form
    1,768.37/2,652.26 = 469.94/x
  3. Step 3: Cross multiply
    1,768.37x = 2,652.26 × 469.94
  4. Step 4: Simplify right side
    1,768.37x = 1,246,387.45
  5. Step 5: Solve for x
    x = 1,246,387.45/1,768.37
  6. Step 6: Final answer
    x = 704.82

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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.