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Finding the Fourth Proportional to 259,848.84, 358,393.81 and 223,611.37

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Solution

The fourth proportional to 259,848.84, 358,393.81 and 223,611.37 is: 308,413.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,848.84 : 358,393.81 = 223,611.37 : x
  2. Step 2: Convert to fraction form
    259,848.84/358,393.81 = 223,611.37/x
  3. Step 3: Cross multiply
    259,848.84x = 358,393.81 × 223,611.37
  4. Step 4: Simplify right side
    259,848.84x = 80,140,930,853.62
  5. Step 5: Solve for x
    x = 80,140,930,853.62/259,848.84
  6. Step 6: Final answer
    x = 308,413.66

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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.