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Finding the Fourth Proportional to 444,007.11, 612,720.68 and 242,803.11

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Solution

The fourth proportional to 444,007.11, 612,720.68 and 242,803.11 is: 335,063.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,007.11 : 612,720.68 = 242,803.11 : x
  2. Step 2: Convert to fraction form
    444,007.11/612,720.68 = 242,803.11/x
  3. Step 3: Cross multiply
    444,007.11x = 612,720.68 × 242,803.11
  4. Step 4: Simplify right side
    444,007.11x = 148,770,485,451.30
  5. Step 5: Solve for x
    x = 148,770,485,451.30/444,007.11
  6. Step 6: Final answer
    x = 335,063.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.