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Finding the Fourth Proportional to 544,978.08, 817,099.92 and 278,520.48

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Solution

The fourth proportional to 544,978.08, 817,099.92 and 278,520.48 is: 417,593.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,978.08 : 817,099.92 = 278,520.48 : x
  2. Step 2: Convert to fraction form
    544,978.08/817,099.92 = 278,520.48/x
  3. Step 3: Cross multiply
    544,978.08x = 817,099.92 × 278,520.48
  4. Step 4: Simplify right side
    544,978.08x = 227,579,061,926.36
  5. Step 5: Solve for x
    x = 227,579,061,926.36/544,978.08
  6. Step 6: Final answer
    x = 417,593.06

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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.