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Finding the Fourth Proportional to 582,437.42, 873,866.38 and 203,413.96

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Solution

The fourth proportional to 582,437.42, 873,866.38 and 203,413.96 is: 305,194.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,437.42 : 873,866.38 = 203,413.96 : x
  2. Step 2: Convert to fraction form
    582,437.42/873,866.38 = 203,413.96/x
  3. Step 3: Cross multiply
    582,437.42x = 873,866.38 × 203,413.96
  4. Step 4: Simplify right side
    582,437.42x = 177,756,620,866.67
  5. Step 5: Solve for x
    x = 177,756,620,866.67/582,437.42
  6. Step 6: Final answer
    x = 305,194.37

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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.