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Finding the Fourth Proportional to 299,207.20, 448,033.20 and 236,480.80

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Solution

The fourth proportional to 299,207.20, 448,033.20 and 236,480.80 is: 354,106.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,207.20 : 448,033.20 = 236,480.80 : x
  2. Step 2: Convert to fraction form
    299,207.20/448,033.20 = 236,480.80/x
  3. Step 3: Cross multiply
    299,207.20x = 448,033.20 × 236,480.80
  4. Step 4: Simplify right side
    299,207.20x = 105,951,249,562.56
  5. Step 5: Solve for x
    x = 105,951,249,562.56/299,207.20
  6. Step 6: Final answer
    x = 354,106.62

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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.