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Finding the Fourth Proportional to 294,768.55, 441,770.10 and 136,660.60

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Solution

The fourth proportional to 294,768.55, 441,770.10 and 136,660.60 is: 204,813.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,768.55 : 441,770.10 = 136,660.60 : x
  2. Step 2: Convert to fraction form
    294,768.55/441,770.10 = 136,660.60/x
  3. Step 3: Cross multiply
    294,768.55x = 441,770.10 × 136,660.60
  4. Step 4: Simplify right side
    294,768.55x = 60,372,566,928.06
  5. Step 5: Solve for x
    x = 60,372,566,928.06/294,768.55
  6. Step 6: Final answer
    x = 204,813.46

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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.