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Finding the Fourth Proportional to 444,183.72, 612,974.34 and 242,979.72

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Solution

The fourth proportional to 444,183.72, 612,974.34 and 242,979.72 is: 335,312.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,183.72 : 612,974.34 = 242,979.72 : x
  2. Step 2: Convert to fraction form
    444,183.72/612,974.34 = 242,979.72/x
  3. Step 3: Cross multiply
    444,183.72x = 612,974.34 × 242,979.72
  4. Step 4: Simplify right side
    444,183.72x = 148,940,333,500.39
  5. Step 5: Solve for x
    x = 148,940,333,500.39/444,183.72
  6. Step 6: Final answer
    x = 335,312.45

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1.5x scale

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.