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Finding the Fourth Proportional to 702,304.48, 969,849.60 and 664,049.44

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Solution

The fourth proportional to 702,304.48, 969,849.60 and 664,049.44 is: 917,021.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,304.48 : 969,849.60 = 664,049.44 : x
  2. Step 2: Convert to fraction form
    702,304.48/969,849.60 = 664,049.44/x
  3. Step 3: Cross multiply
    702,304.48x = 969,849.60 × 664,049.44
  4. Step 4: Simplify right side
    702,304.48x = 644,028,083,764.22
  5. Step 5: Solve for x
    x = 644,028,083,764.22/702,304.48
  6. Step 6: Final answer
    x = 917,021.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.