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Finding the Fourth Proportional to 326,362.76, 489,548.46 and 126,694.52

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Solution

The fourth proportional to 326,362.76, 489,548.46 and 126,694.52 is: 190,043.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,362.76 : 489,548.46 = 126,694.52 : x
  2. Step 2: Convert to fraction form
    326,362.76/489,548.46 = 126,694.52/x
  3. Step 3: Cross multiply
    326,362.76x = 489,548.46 × 126,694.52
  4. Step 4: Simplify right side
    326,362.76x = 62,023,107,156.44
  5. Step 5: Solve for x
    x = 62,023,107,156.44/326,362.76
  6. Step 6: Final answer
    x = 190,043.46

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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.