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Finding the Fourth Proportional to 299,206.70, 448,032.45 and 236,480.30

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Solution

The fourth proportional to 299,206.70, 448,032.45 and 236,480.30 is: 354,105.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,206.70 : 448,032.45 = 236,480.30 : x
  2. Step 2: Convert to fraction form
    299,206.70/448,032.45 = 236,480.30/x
  3. Step 3: Cross multiply
    299,206.70x = 448,032.45 × 236,480.30
  4. Step 4: Simplify right side
    299,206.70x = 105,950,848,185.74
  5. Step 5: Solve for x
    x = 105,950,848,185.74/299,206.70
  6. Step 6: Final answer
    x = 354,105.87

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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.