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Finding the Fourth Proportional to 297,936.20, 446,904.30 and 245,448.20

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Solution

The fourth proportional to 297,936.20, 446,904.30 and 245,448.20 is: 368,172.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,936.20 : 446,904.30 = 245,448.20 : x
  2. Step 2: Convert to fraction form
    297,936.20/446,904.30 = 245,448.20/x
  3. Step 3: Cross multiply
    297,936.20x = 446,904.30 × 245,448.20
  4. Step 4: Simplify right side
    297,936.20x = 109,691,856,007.26
  5. Step 5: Solve for x
    x = 109,691,856,007.26/297,936.20
  6. Step 6: Final answer
    x = 368,172.30

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1.5x scale

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.