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Finding the Fourth Proportional to 451,393.50, 622,923.12 and 250,189.50

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Solution

The fourth proportional to 451,393.50, 622,923.12 and 250,189.50 is: 345,261.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,393.50 : 622,923.12 = 250,189.50 : x
  2. Step 2: Convert to fraction form
    451,393.50/622,923.12 = 250,189.50/x
  3. Step 3: Cross multiply
    451,393.50x = 622,923.12 × 250,189.50
  4. Step 4: Simplify right side
    451,393.50x = 155,848,823,931.24
  5. Step 5: Solve for x
    x = 155,848,823,931.24/451,393.50
  6. Step 6: Final answer
    x = 345,261.56

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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.