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Finding the Fourth Proportional to 293,277.76, 404,712.48 and 159,138.88

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Solution

The fourth proportional to 293,277.76, 404,712.48 and 159,138.88 is: 219,605.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,277.76 : 404,712.48 = 159,138.88 : x
  2. Step 2: Convert to fraction form
    293,277.76/404,712.48 = 159,138.88/x
  3. Step 3: Cross multiply
    293,277.76x = 404,712.48 × 159,138.88
  4. Step 4: Simplify right side
    293,277.76x = 64,405,490,789.22
  5. Step 5: Solve for x
    x = 64,405,490,789.22/293,277.76
  6. Step 6: Final answer
    x = 219,605.78

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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.