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Finding the Fourth Proportional to 544,843.44, 751,890.86 and 299,856.40

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Solution

The fourth proportional to 544,843.44, 751,890.86 and 299,856.40 is: 413,805.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,843.44 : 751,890.86 = 299,856.40 : x
  2. Step 2: Convert to fraction form
    544,843.44/751,890.86 = 299,856.40/x
  3. Step 3: Cross multiply
    544,843.44x = 751,890.86 × 299,856.40
  4. Step 4: Simplify right side
    544,843.44x = 225,459,288,727.05
  5. Step 5: Solve for x
    x = 225,459,288,727.05/544,843.44
  6. Step 6: Final answer
    x = 413,805.64

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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.