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Finding the Fourth Proportional to 279,929.70, 419,894.55 and 246,687.30

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Solution

The fourth proportional to 279,929.70, 419,894.55 and 246,687.30 is: 370,030.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,929.70 : 419,894.55 = 246,687.30 : x
  2. Step 2: Convert to fraction form
    279,929.70/419,894.55 = 246,687.30/x
  3. Step 3: Cross multiply
    279,929.70x = 419,894.55 × 246,687.30
  4. Step 4: Simplify right side
    279,929.70x = 103,582,652,824.22
  5. Step 5: Solve for x
    x = 103,582,652,824.22/279,929.70
  6. Step 6: Final answer
    x = 370,030.95

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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.