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Finding the Fourth Proportional to 444,137, 612,917.70 and 242,937.32

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Solution

The fourth proportional to 444,137, 612,917.70 and 242,937.32 is: 335,258.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,137 : 612,917.70 = 242,937.32 : x
  2. Step 2: Convert to fraction form
    444,137/612,917.70 = 242,937.32/x
  3. Step 3: Cross multiply
    444,137x = 612,917.70 × 242,937.32
  4. Step 4: Simplify right side
    444,137x = 148,900,583,418.56
  5. Step 5: Solve for x
    x = 148,900,583,418.56/444,137
  6. Step 6: Final answer
    x = 335,258.23

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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.