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Finding the Fourth Proportional to 294,522.20, 441,783.30 and 154,262.60

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Solution

The fourth proportional to 294,522.20, 441,783.30 and 154,262.60 is: 231,393.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,522.20 : 441,783.30 = 154,262.60 : x
  2. Step 2: Convert to fraction form
    294,522.20/441,783.30 = 154,262.60/x
  3. Step 3: Cross multiply
    294,522.20x = 441,783.30 × 154,262.60
  4. Step 4: Simplify right side
    294,522.20x = 68,150,640,494.58
  5. Step 5: Solve for x
    x = 68,150,640,494.58/294,522.20
  6. Step 6: Final answer
    x = 231,393.90

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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.