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Finding the Fourth Proportional to 578,591.88, 798,451.56 and 323,947.32

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Solution

The fourth proportional to 578,591.88, 798,451.56 and 323,947.32 is: 447,044.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,591.88 : 798,451.56 = 323,947.32 : x
  2. Step 2: Convert to fraction form
    578,591.88/798,451.56 = 323,947.32/x
  3. Step 3: Cross multiply
    578,591.88x = 798,451.56 × 323,947.32
  4. Step 4: Simplify right side
    578,591.88x = 258,656,243,011.82
  5. Step 5: Solve for x
    x = 258,656,243,011.82/578,591.88
  6. Step 6: Final answer
    x = 447,044.37

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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.