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Finding the Fourth Proportional to 299,351.98, 448,389.55 and 242,180.56

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Solution

The fourth proportional to 299,351.98, 448,389.55 and 242,180.56 is: 362,754.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,351.98 : 448,389.55 = 242,180.56 : x
  2. Step 2: Convert to fraction form
    299,351.98/448,389.55 = 242,180.56/x
  3. Step 3: Cross multiply
    299,351.98x = 448,389.55 × 242,180.56
  4. Step 4: Simplify right side
    299,351.98x = 108,591,232,317.15
  5. Step 5: Solve for x
    x = 108,591,232,317.15/299,351.98
  6. Step 6: Final answer
    x = 362,754.35

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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.