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Finding the Fourth Proportional to 263,368.92, 363,446.37 and 142,507.56

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Solution

The fourth proportional to 263,368.92, 363,446.37 and 142,507.56 is: 196,658.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,368.92 : 363,446.37 = 142,507.56 : x
  2. Step 2: Convert to fraction form
    263,368.92/363,446.37 = 142,507.56/x
  3. Step 3: Cross multiply
    263,368.92x = 363,446.37 × 142,507.56
  4. Step 4: Simplify right side
    263,368.92x = 51,793,855,379.56
  5. Step 5: Solve for x
    x = 51,793,855,379.56/263,368.92
  6. Step 6: Final answer
    x = 196,658.95

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1.5x scale

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.