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Finding the Fourth Proportional to 319,709.63, 441,167.82 and 176,460.38

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Solution

The fourth proportional to 319,709.63, 441,167.82 and 176,460.38 is: 243,497.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,709.63 : 441,167.82 = 176,460.38 : x
  2. Step 2: Convert to fraction form
    319,709.63/441,167.82 = 176,460.38/x
  3. Step 3: Cross multiply
    319,709.63x = 441,167.82 × 176,460.38
  4. Step 4: Simplify right side
    319,709.63x = 77,848,641,160.97
  5. Step 5: Solve for x
    x = 77,848,641,160.97/319,709.63
  6. Step 6: Final answer
    x = 243,497.96

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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.