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Finding the Fourth Proportional to 547,446.23, 820,559.57 and 227,419.79

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Solution

The fourth proportional to 547,446.23, 820,559.57 and 227,419.79 is: 340,876.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,446.23 : 820,559.57 = 227,419.79 : x
  2. Step 2: Convert to fraction form
    547,446.23/820,559.57 = 227,419.79/x
  3. Step 3: Cross multiply
    547,446.23x = 820,559.57 × 227,419.79
  4. Step 4: Simplify right side
    547,446.23x = 186,611,479,851.99
  5. Step 5: Solve for x
    x = 186,611,479,851.99/547,446.23
  6. Step 6: Final answer
    x = 340,876.36

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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.