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Finding the Fourth Proportional to 444,158.72, 612,939.84 and 242,954.72

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Solution

The fourth proportional to 444,158.72, 612,939.84 and 242,954.72 is: 335,277.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,158.72 : 612,939.84 = 242,954.72 : x
  2. Step 2: Convert to fraction form
    444,158.72/612,939.84 = 242,954.72/x
  3. Step 3: Cross multiply
    444,158.72x = 612,939.84 × 242,954.72
  4. Step 4: Simplify right side
    444,158.72x = 148,916,627,204.05
  5. Step 5: Solve for x
    x = 148,916,627,204.05/444,158.72
  6. Step 6: Final answer
    x = 335,277.95

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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.