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Finding the Fourth Proportional to 326,599.27, 489,851.39 and 101,907.43

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Solution

The fourth proportional to 326,599.27, 489,851.39 and 101,907.43 is: 152,846.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,599.27 : 489,851.39 = 101,907.43 : x
  2. Step 2: Convert to fraction form
    326,599.27/489,851.39 = 101,907.43/x
  3. Step 3: Cross multiply
    326,599.27x = 489,851.39 × 101,907.43
  4. Step 4: Simplify right side
    326,599.27x = 49,919,497,735.77
  5. Step 5: Solve for x
    x = 49,919,497,735.77/326,599.27
  6. Step 6: Final answer
    x = 152,846.32

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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.