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Finding the Fourth Proportional to 319,757.63, 441,269.10 and 176,517.77

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Solution

The fourth proportional to 319,757.63, 441,269.10 and 176,517.77 is: 243,596.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,757.63 : 441,269.10 = 176,517.77 : x
  2. Step 2: Convert to fraction form
    319,757.63/441,269.10 = 176,517.77/x
  3. Step 3: Cross multiply
    319,757.63x = 441,269.10 × 176,517.77
  4. Step 4: Simplify right side
    319,757.63x = 77,891,835,295.56
  5. Step 5: Solve for x
    x = 77,891,835,295.56/319,757.63
  6. Step 6: Final answer
    x = 243,596.49

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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.