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Finding the Fourth Proportional to 325,274.95, 489,078.83 and 273,953.35

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Solution

The fourth proportional to 325,274.95, 489,078.83 and 273,953.35 is: 411,912.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,274.95 : 489,078.83 = 273,953.35 : x
  2. Step 2: Convert to fraction form
    325,274.95/489,078.83 = 273,953.35/x
  3. Step 3: Cross multiply
    325,274.95x = 489,078.83 × 273,953.35
  4. Step 4: Simplify right side
    325,274.95x = 133,984,782,522.81
  5. Step 5: Solve for x
    x = 133,984,782,522.81/325,274.95
  6. Step 6: Final answer
    x = 411,912.39

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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.