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Finding the Fourth Proportional to 1,765.38, 2,647.87 and 466.95

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Solution

The fourth proportional to 1,765.38, 2,647.87 and 466.95 is: 700.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765.38 : 2,647.87 = 466.95 : x
  2. Step 2: Convert to fraction form
    1,765.38/2,647.87 = 466.95/x
  3. Step 3: Cross multiply
    1,765.38x = 2,647.87 × 466.95
  4. Step 4: Simplify right side
    1,765.38x = 1,236,422.90
  5. Step 5: Solve for x
    x = 1,236,422.90/1,765.38
  6. Step 6: Final answer
    x = 700.37

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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.