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Finding the Fourth Proportional to 451,708.94, 623,342.67 and 250,523.66

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Solution

The fourth proportional to 451,708.94, 623,342.67 and 250,523.66 is: 345,713.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,708.94 : 623,342.67 = 250,523.66 : x
  2. Step 2: Convert to fraction form
    451,708.94/623,342.67 = 250,523.66/x
  3. Step 3: Cross multiply
    451,708.94x = 623,342.67 × 250,523.66
  4. Step 4: Simplify right side
    451,708.94x = 156,162,087,122.57
  5. Step 5: Solve for x
    x = 156,162,087,122.57/451,708.94
  6. Step 6: Final answer
    x = 345,713.96

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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.