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Finding the Fourth Proportional to 303,492.06, 418,582.22 and 194,606.73

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Solution

The fourth proportional to 303,492.06, 418,582.22 and 194,606.73 is: 268,405.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,492.06 : 418,582.22 = 194,606.73 : x
  2. Step 2: Convert to fraction form
    303,492.06/418,582.22 = 194,606.73/x
  3. Step 3: Cross multiply
    303,492.06x = 418,582.22 × 194,606.73
  4. Step 4: Simplify right side
    303,492.06x = 81,458,916,097.31
  5. Step 5: Solve for x
    x = 81,458,916,097.31/303,492.06
  6. Step 6: Final answer
    x = 268,405.43

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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.