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Finding the Fourth Proportional to 496,559.64, 685,267.74 and 270,220.44

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Solution

The fourth proportional to 496,559.64, 685,267.74 and 270,220.44 is: 372,912.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,559.64 : 685,267.74 = 270,220.44 : x
  2. Step 2: Convert to fraction form
    496,559.64/685,267.74 = 270,220.44/x
  3. Step 3: Cross multiply
    496,559.64x = 685,267.74 × 270,220.44
  4. Step 4: Simplify right side
    496,559.64x = 185,173,350,220.61
  5. Step 5: Solve for x
    x = 185,173,350,220.61/496,559.64
  6. Step 6: Final answer
    x = 372,912.61

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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.