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Finding the Fourth Proportional to 451,346.88, 622,859.04 and 250,142.88

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Solution

The fourth proportional to 451,346.88, 622,859.04 and 250,142.88 is: 345,197.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,346.88 : 622,859.04 = 250,142.88 : x
  2. Step 2: Convert to fraction form
    451,346.88/622,859.04 = 250,142.88/x
  3. Step 3: Cross multiply
    451,346.88x = 622,859.04 × 250,142.88
  4. Step 4: Simplify right side
    451,346.88x = 155,803,754,099.64
  5. Step 5: Solve for x
    x = 155,803,754,099.64/451,346.88
  6. Step 6: Final answer
    x = 345,197.37

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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.