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Finding the Fourth Proportional to 263,654.48, 363,841.37 and 142,793

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Solution

The fourth proportional to 263,654.48, 363,841.37 and 142,793 is: 197,053.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,654.48 : 363,841.37 = 142,793 : x
  2. Step 2: Convert to fraction form
    263,654.48/363,841.37 = 142,793/x
  3. Step 3: Cross multiply
    263,654.48x = 363,841.37 × 142,793
  4. Step 4: Simplify right side
    263,654.48x = 51,954,000,032.45
  5. Step 5: Solve for x
    x = 51,954,000,032.45/263,654.48
  6. Step 6: Final answer
    x = 197,053.36

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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.