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Finding the Fourth Proportional to 479,222.33, 718,222.95 and 254,690.33

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Solution

The fourth proportional to 479,222.33, 718,222.95 and 254,690.33 is: 381,711.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,222.33 : 718,222.95 = 254,690.33 : x
  2. Step 2: Convert to fraction form
    479,222.33/718,222.95 = 254,690.33/x
  3. Step 3: Cross multiply
    479,222.33x = 718,222.95 × 254,690.33
  4. Step 4: Simplify right side
    479,222.33x = 182,924,436,557.96
  5. Step 5: Solve for x
    x = 182,924,436,557.96/479,222.33
  6. Step 6: Final answer
    x = 381,711.01

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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.