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Finding the Fourth Proportional to 495,910.59, 743,429.57 and 196,601.55

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Solution

The fourth proportional to 495,910.59, 743,429.57 and 196,601.55 is: 294,729.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,910.59 : 743,429.57 = 196,601.55 : x
  2. Step 2: Convert to fraction form
    495,910.59/743,429.57 = 196,601.55/x
  3. Step 3: Cross multiply
    495,910.59x = 743,429.57 × 196,601.55
  4. Step 4: Simplify right side
    495,910.59x = 146,159,404,794.83
  5. Step 5: Solve for x
    x = 146,159,404,794.83/495,910.59
  6. Step 6: Final answer
    x = 294,729.35

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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.