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Finding the Fourth Proportional to 299,190.20, 448,007.70 and 236,463.80

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Solution

The fourth proportional to 299,190.20, 448,007.70 and 236,463.80 is: 354,081.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,190.20 : 448,007.70 = 236,463.80 : x
  2. Step 2: Convert to fraction form
    299,190.20/448,007.70 = 236,463.80/x
  3. Step 3: Cross multiply
    299,190.20x = 448,007.70 × 236,463.80
  4. Step 4: Simplify right side
    299,190.20x = 105,937,603,171.26
  5. Step 5: Solve for x
    x = 105,937,603,171.26/299,190.20
  6. Step 6: Final answer
    x = 354,081.13

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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.