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Finding the Fourth Proportional to 444,064.88, 612,809.96 and 240,115.69

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Solution

The fourth proportional to 444,064.88, 612,809.96 and 240,115.69 is: 331,359.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,064.88 : 612,809.96 = 240,115.69 : x
  2. Step 2: Convert to fraction form
    444,064.88/612,809.96 = 240,115.69/x
  3. Step 3: Cross multiply
    444,064.88x = 612,809.96 × 240,115.69
  4. Step 4: Simplify right side
    444,064.88x = 147,145,285,949.71
  5. Step 5: Solve for x
    x = 147,145,285,949.71/444,064.88
  6. Step 6: Final answer
    x = 331,359.88

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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.