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Finding the Fourth Proportional to 336,658.39, 504,986.94 and 196,318.60

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Solution

The fourth proportional to 336,658.39, 504,986.94 and 196,318.60 is: 294,477.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,658.39 : 504,986.94 = 196,318.60 : x
  2. Step 2: Convert to fraction form
    336,658.39/504,986.94 = 196,318.60/x
  3. Step 3: Cross multiply
    336,658.39x = 504,986.94 × 196,318.60
  4. Step 4: Simplify right side
    336,658.39x = 99,138,329,079.08
  5. Step 5: Solve for x
    x = 99,138,329,079.08/336,658.39
  6. Step 6: Final answer
    x = 294,477.52

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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.