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Finding the Fourth Proportional to 587,413.44, 881,121 and 144,181.44

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Solution

The fourth proportional to 587,413.44, 881,121 and 144,181.44 is: 216,272.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,413.44 : 881,121 = 144,181.44 : x
  2. Step 2: Convert to fraction form
    587,413.44/881,121 = 144,181.44/x
  3. Step 3: Cross multiply
    587,413.44x = 881,121 × 144,181.44
  4. Step 4: Simplify right side
    587,413.44x = 127,041,294,594.24
  5. Step 5: Solve for x
    x = 127,041,294,594.24/587,413.44
  6. Step 6: Final answer
    x = 216,272.37

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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.