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Finding the Fourth Proportional to 303,690.94, 419,093.53 and 176,374.73

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Solution

The fourth proportional to 303,690.94, 419,093.53 and 176,374.73 is: 243,397.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,690.94 : 419,093.53 = 176,374.73 : x
  2. Step 2: Convert to fraction form
    303,690.94/419,093.53 = 176,374.73/x
  3. Step 3: Cross multiply
    303,690.94x = 419,093.53 × 176,374.73
  4. Step 4: Simplify right side
    303,690.94x = 73,917,508,805.29
  5. Step 5: Solve for x
    x = 73,917,508,805.29/303,690.94
  6. Step 6: Final answer
    x = 243,397.15

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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.