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Finding the Fourth Proportional to 247,162.50, 370,743.51 and 213,783.33

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Solution

The fourth proportional to 247,162.50, 370,743.51 and 213,783.33 is: 320,674.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,162.50 : 370,743.51 = 213,783.33 : x
  2. Step 2: Convert to fraction form
    247,162.50/370,743.51 = 213,783.33/x
  3. Step 3: Cross multiply
    247,162.50x = 370,743.51 × 213,783.33
  4. Step 4: Simplify right side
    247,162.50x = 79,258,782,143.69
  5. Step 5: Solve for x
    x = 79,258,782,143.69/247,162.50
  6. Step 6: Final answer
    x = 320,674.79

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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.