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Finding the Fourth Proportional to 303,901.07, 419,371.22 and 176,566.64

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Solution

The fourth proportional to 303,901.07, 419,371.22 and 176,566.64 is: 243,654.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,901.07 : 419,371.22 = 176,566.64 : x
  2. Step 2: Convert to fraction form
    303,901.07/419,371.22 = 176,566.64/x
  3. Step 3: Cross multiply
    303,901.07x = 419,371.22 × 176,566.64
  4. Step 4: Simplify right side
    303,901.07x = 74,046,965,572.66
  5. Step 5: Solve for x
    x = 74,046,965,572.66/303,901.07
  6. Step 6: Final answer
    x = 243,654.84

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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.