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Finding the Fourth Proportional to 451,394.50, 622,924.50 and 250,190.50

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Solution

The fourth proportional to 451,394.50, 622,924.50 and 250,190.50 is: 345,262.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,394.50 : 622,924.50 = 250,190.50 : x
  2. Step 2: Convert to fraction form
    451,394.50/622,924.50 = 250,190.50/x
  3. Step 3: Cross multiply
    451,394.50x = 622,924.50 × 250,190.50
  4. Step 4: Simplify right side
    451,394.50x = 155,849,792,117.25
  5. Step 5: Solve for x
    x = 155,849,792,117.25/451,394.50
  6. Step 6: Final answer
    x = 345,262.94

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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.