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Finding the Fourth Proportional to 451,414.50, 622,952.10 and 250,210.50

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Solution

The fourth proportional to 451,414.50, 622,952.10 and 250,210.50 is: 345,290.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,414.50 : 622,952.10 = 250,210.50 : x
  2. Step 2: Convert to fraction form
    451,414.50/622,952.10 = 250,210.50/x
  3. Step 3: Cross multiply
    451,414.50x = 622,952.10 × 250,210.50
  4. Step 4: Simplify right side
    451,414.50x = 155,869,156,417.05
  5. Step 5: Solve for x
    x = 155,869,156,417.05/451,414.50
  6. Step 6: Final answer
    x = 345,290.54

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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.