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Finding the Fourth Proportional to 319,696.29, 441,174.15 and 174,497.28

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Solution

The fourth proportional to 319,696.29, 441,174.15 and 174,497.28 is: 240,802.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,696.29 : 441,174.15 = 174,497.28 : x
  2. Step 2: Convert to fraction form
    319,696.29/441,174.15 = 174,497.28/x
  3. Step 3: Cross multiply
    319,696.29x = 441,174.15 × 174,497.28
  4. Step 4: Simplify right side
    319,696.29x = 76,983,689,181.31
  5. Step 5: Solve for x
    x = 76,983,689,181.31/319,696.29
  6. Step 6: Final answer
    x = 240,802.57

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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.