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Finding the Fourth Proportional to 297,908, 446,721.22 and 108,236.12

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Solution

The fourth proportional to 297,908, 446,721.22 and 108,236.12 is: 162,303.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,908 : 446,721.22 = 108,236.12 : x
  2. Step 2: Convert to fraction form
    297,908/446,721.22 = 108,236.12/x
  3. Step 3: Cross multiply
    297,908x = 446,721.22 × 108,236.12
  4. Step 4: Simplify right side
    297,908x = 48,351,371,574.47
  5. Step 5: Solve for x
    x = 48,351,371,574.47/297,908
  6. Step 6: Final answer
    x = 162,303.03

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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.