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Finding the Fourth Proportional to 368,865.94, 509,270.44 and 301,044.94

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Solution

The fourth proportional to 368,865.94, 509,270.44 and 301,044.94 is: 415,634.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,865.94 : 509,270.44 = 301,044.94 : x
  2. Step 2: Convert to fraction form
    368,865.94/509,270.44 = 301,044.94/x
  3. Step 3: Cross multiply
    368,865.94x = 509,270.44 × 301,044.94
  4. Step 4: Simplify right side
    368,865.94x = 153,313,289,053.57
  5. Step 5: Solve for x
    x = 153,313,289,053.57/368,865.94
  6. Step 6: Final answer
    x = 415,634.17

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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.