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Finding the Fourth Proportional to 544,711.80, 817,067.70 and 376,750.20

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Solution

The fourth proportional to 544,711.80, 817,067.70 and 376,750.20 is: 565,125.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,711.80 : 817,067.70 = 376,750.20 : x
  2. Step 2: Convert to fraction form
    544,711.80/817,067.70 = 376,750.20/x
  3. Step 3: Cross multiply
    544,711.80x = 817,067.70 × 376,750.20
  4. Step 4: Simplify right side
    544,711.80x = 307,830,419,388.54
  5. Step 5: Solve for x
    x = 307,830,419,388.54/544,711.80
  6. Step 6: Final answer
    x = 565,125.30

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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.