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Finding the Fourth Proportional to 326,335.27, 450,371.17 and 190,413.01

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Solution

The fourth proportional to 326,335.27, 450,371.17 and 190,413.01 is: 262,786.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,335.27 : 450,371.17 = 190,413.01 : x
  2. Step 2: Convert to fraction form
    326,335.27/450,371.17 = 190,413.01/x
  3. Step 3: Cross multiply
    326,335.27x = 450,371.17 × 190,413.01
  4. Step 4: Simplify right side
    326,335.27x = 85,756,530,096.92
  5. Step 5: Solve for x
    x = 85,756,530,096.92/326,335.27
  6. Step 6: Final answer
    x = 262,786.58

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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.