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Finding the Fourth Proportional to 578,625.75, 798,511.77 and 333,605.66

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Solution

The fourth proportional to 578,625.75, 798,511.77 and 333,605.66 is: 460,380.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,625.75 : 798,511.77 = 333,605.66 : x
  2. Step 2: Convert to fraction form
    578,625.75/798,511.77 = 333,605.66/x
  3. Step 3: Cross multiply
    578,625.75x = 798,511.77 × 333,605.66
  4. Step 4: Simplify right side
    578,625.75x = 266,388,042,056.06
  5. Step 5: Solve for x
    x = 266,388,042,056.06/578,625.75
  6. Step 6: Final answer
    x = 460,380.55

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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.