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Finding the Fourth Proportional to 578,331.58, 798,100.31 and 323,731.98

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Solution

The fourth proportional to 578,331.58, 798,100.31 and 323,731.98 is: 446,751.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,331.58 : 798,100.31 = 323,731.98 : x
  2. Step 2: Convert to fraction form
    578,331.58/798,100.31 = 323,731.98/x
  3. Step 3: Cross multiply
    578,331.58x = 798,100.31 × 323,731.98
  4. Step 4: Simplify right side
    578,331.58x = 258,370,593,594.91
  5. Step 5: Solve for x
    x = 258,370,593,594.91/578,331.58
  6. Step 6: Final answer
    x = 446,751.66

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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.