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Finding the Fourth Proportional to 265,127.97, 397,754.24 and 87,634.98

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Solution

The fourth proportional to 265,127.97, 397,754.24 and 87,634.98 is: 131,473.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,127.97 : 397,754.24 = 87,634.98 : x
  2. Step 2: Convert to fraction form
    265,127.97/397,754.24 = 87,634.98/x
  3. Step 3: Cross multiply
    265,127.97x = 397,754.24 × 87,634.98
  4. Step 4: Simplify right side
    265,127.97x = 34,857,182,878.54
  5. Step 5: Solve for x
    x = 34,857,182,878.54/265,127.97
  6. Step 6: Final answer
    x = 131,473.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.