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Finding the Fourth Proportional to 440,190.88, 659,907.42 and 187,239.76

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Solution

The fourth proportional to 440,190.88, 659,907.42 and 187,239.76 is: 280,698.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,190.88 : 659,907.42 = 187,239.76 : x
  2. Step 2: Convert to fraction form
    440,190.88/659,907.42 = 187,239.76/x
  3. Step 3: Cross multiply
    440,190.88x = 659,907.42 × 187,239.76
  4. Step 4: Simplify right side
    440,190.88x = 123,560,906,943.02
  5. Step 5: Solve for x
    x = 123,560,906,943.02/440,190.88
  6. Step 6: Final answer
    x = 280,698.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.