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Finding the Fourth Proportional to 357,167.34, 492,908.82 and 196,020.98

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Solution

The fourth proportional to 357,167.34, 492,908.82 and 196,020.98 is: 270,518.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,167.34 : 492,908.82 = 196,020.98 : x
  2. Step 2: Convert to fraction form
    357,167.34/492,908.82 = 196,020.98/x
  3. Step 3: Cross multiply
    357,167.34x = 492,908.82 × 196,020.98
  4. Step 4: Simplify right side
    357,167.34x = 96,620,469,947.04
  5. Step 5: Solve for x
    x = 96,620,469,947.04/357,167.34
  6. Step 6: Final answer
    x = 270,518.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.