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Finding the Fourth Proportional to 511,797.28, 767,786.64 and 246,039.52

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Solution

The fourth proportional to 511,797.28, 767,786.64 and 246,039.52 is: 369,102.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,797.28 : 767,786.64 = 246,039.52 : x
  2. Step 2: Convert to fraction form
    511,797.28/767,786.64 = 246,039.52/x
  3. Step 3: Cross multiply
    511,797.28x = 767,786.64 × 246,039.52
  4. Step 4: Simplify right side
    511,797.28x = 188,905,856,368.01
  5. Step 5: Solve for x
    x = 188,905,856,368.01/511,797.28
  6. Step 6: Final answer
    x = 369,102.89

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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.