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Finding the Fourth Proportional to 462,604.60, 694,166.10 and 196,319.80

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Solution

The fourth proportional to 462,604.60, 694,166.10 and 196,319.80 is: 294,589.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,604.60 : 694,166.10 = 196,319.80 : x
  2. Step 2: Convert to fraction form
    462,604.60/694,166.10 = 196,319.80/x
  3. Step 3: Cross multiply
    462,604.60x = 694,166.10 × 196,319.80
  4. Step 4: Simplify right side
    462,604.60x = 136,278,549,918.78
  5. Step 5: Solve for x
    x = 136,278,549,918.78/462,604.60
  6. Step 6: Final answer
    x = 294,589.70

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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.