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Finding the Fourth Proportional to 303,020.66, 418,198.08 and 226,406.82

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Solution

The fourth proportional to 303,020.66, 418,198.08 and 226,406.82 is: 312,463.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,020.66 : 418,198.08 = 226,406.82 : x
  2. Step 2: Convert to fraction form
    303,020.66/418,198.08 = 226,406.82/x
  3. Step 3: Cross multiply
    303,020.66x = 418,198.08 × 226,406.82
  4. Step 4: Simplify right side
    303,020.66x = 94,682,897,422.91
  5. Step 5: Solve for x
    x = 94,682,897,422.91/303,020.66
  6. Step 6: Final answer
    x = 312,463.50

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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.