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Finding the Fourth Proportional to 360,998.82, 541,496.70 and 91,127.52

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Solution

The fourth proportional to 360,998.82, 541,496.70 and 91,127.52 is: 136,690.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,998.82 : 541,496.70 = 91,127.52 : x
  2. Step 2: Convert to fraction form
    360,998.82/541,496.70 = 91,127.52/x
  3. Step 3: Cross multiply
    360,998.82x = 541,496.70 × 91,127.52
  4. Step 4: Simplify right side
    360,998.82x = 49,345,251,359.18
  5. Step 5: Solve for x
    x = 49,345,251,359.18/360,998.82
  6. Step 6: Final answer
    x = 136,690.89

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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.