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Finding the Fourth Proportional to 326,282.77, 489,404.46 and 194,004.79

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Solution

The fourth proportional to 326,282.77, 489,404.46 and 194,004.79 is: 290,995.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,282.77 : 489,404.46 = 194,004.79 : x
  2. Step 2: Convert to fraction form
    326,282.77/489,404.46 = 194,004.79/x
  3. Step 3: Cross multiply
    326,282.77x = 489,404.46 × 194,004.79
  4. Step 4: Simplify right side
    326,282.77x = 94,946,809,487.36
  5. Step 5: Solve for x
    x = 94,946,809,487.36/326,282.77
  6. Step 6: Final answer
    x = 290,995.47

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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.