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Finding the Fourth Proportional to 577,846.80, 866,770.20 and 368,413.20

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Solution

The fourth proportional to 577,846.80, 866,770.20 and 368,413.20 is: 552,619.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,846.80 : 866,770.20 = 368,413.20 : x
  2. Step 2: Convert to fraction form
    577,846.80/866,770.20 = 368,413.20/x
  3. Step 3: Cross multiply
    577,846.80x = 866,770.20 × 368,413.20
  4. Step 4: Simplify right side
    577,846.80x = 319,329,583,046.64
  5. Step 5: Solve for x
    x = 319,329,583,046.64/577,846.80
  6. Step 6: Final answer
    x = 552,619.80

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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.