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Finding the Fourth Proportional to 805,619, 1,208,170.52 and 265,754.46

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Solution

The fourth proportional to 805,619, 1,208,170.52 and 265,754.46 is: 398,546.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,619 : 1,208,170.52 = 265,754.46 : x
  2. Step 2: Convert to fraction form
    805,619/1,208,170.52 = 265,754.46/x
  3. Step 3: Cross multiply
    805,619x = 1,208,170.52 × 265,754.46
  4. Step 4: Simplify right side
    805,619x = 321,076,704,130.52
  5. Step 5: Solve for x
    x = 321,076,704,130.52/805,619
  6. Step 6: Final answer
    x = 398,546.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.