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Finding the Fourth Proportional to 297,448.70, 446,107.43 and 87,103.04

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Solution

The fourth proportional to 297,448.70, 446,107.43 and 87,103.04 is: 130,635.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,448.70 : 446,107.43 = 87,103.04 : x
  2. Step 2: Convert to fraction form
    297,448.70/446,107.43 = 87,103.04/x
  3. Step 3: Cross multiply
    297,448.70x = 446,107.43 × 87,103.04
  4. Step 4: Simplify right side
    297,448.70x = 38,857,310,653.53
  5. Step 5: Solve for x
    x = 38,857,310,653.53/297,448.70
  6. Step 6: Final answer
    x = 130,635.34

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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.