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Finding the Fourth Proportional to 326,627.85, 450,768.68 and 181,450.20

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Solution

The fourth proportional to 326,627.85, 450,768.68 and 181,450.20 is: 250,413.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,627.85 : 450,768.68 = 181,450.20 : x
  2. Step 2: Convert to fraction form
    326,627.85/450,768.68 = 181,450.20/x
  3. Step 3: Cross multiply
    326,627.85x = 450,768.68 × 181,450.20
  4. Step 4: Simplify right side
    326,627.85x = 81,792,067,139.74
  5. Step 5: Solve for x
    x = 81,792,067,139.74/326,627.85
  6. Step 6: Final answer
    x = 250,413.63

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1.5x scale

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.