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Finding the Fourth Proportional to 472,660.44, 709,305.95 and 245,165.73

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Solution

The fourth proportional to 472,660.44, 709,305.95 and 245,165.73 is: 367,912.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,660.44 : 709,305.95 = 245,165.73 : x
  2. Step 2: Convert to fraction form
    472,660.44/709,305.95 = 245,165.73/x
  3. Step 3: Cross multiply
    472,660.44x = 709,305.95 × 245,165.73
  4. Step 4: Simplify right side
    472,660.44x = 173,897,511,638.01
  5. Step 5: Solve for x
    x = 173,897,511,638.01/472,660.44
  6. Step 6: Final answer
    x = 367,912.14

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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.