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Finding the Fourth Proportional to 337,121.45, 465,227.58 and 186,218.45

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Solution

The fourth proportional to 337,121.45, 465,227.58 and 186,218.45 is: 256,981.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,121.45 : 465,227.58 = 186,218.45 : x
  2. Step 2: Convert to fraction form
    337,121.45/465,227.58 = 186,218.45/x
  3. Step 3: Cross multiply
    337,121.45x = 465,227.58 × 186,218.45
  4. Step 4: Simplify right side
    337,121.45x = 86,633,958,844.85
  5. Step 5: Solve for x
    x = 86,633,958,844.85/337,121.45
  6. Step 6: Final answer
    x = 256,981.45

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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.