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Finding the Fourth Proportional to 263,342.77, 363,410.43 and 142,481.40

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Solution

The fourth proportional to 263,342.77, 363,410.43 and 142,481.40 is: 196,622.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,342.77 : 363,410.43 = 142,481.40 : x
  2. Step 2: Convert to fraction form
    263,342.77/363,410.43 = 142,481.40/x
  3. Step 3: Cross multiply
    263,342.77x = 363,410.43 × 142,481.40
  4. Step 4: Simplify right side
    263,342.77x = 51,779,227,789.55
  5. Step 5: Solve for x
    x = 51,779,227,789.55/263,342.77
  6. Step 6: Final answer
    x = 196,622.93

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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.