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Finding the Fourth Proportional to 366,351.76, 505,738.59 and 245,571.95

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Solution

The fourth proportional to 366,351.76, 505,738.59 and 245,571.95 is: 339,005.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,351.76 : 505,738.59 = 245,571.95 : x
  2. Step 2: Convert to fraction form
    366,351.76/505,738.59 = 245,571.95/x
  3. Step 3: Cross multiply
    366,351.76x = 505,738.59 × 245,571.95
  4. Step 4: Simplify right side
    366,351.76x = 124,195,212,080.00
  5. Step 5: Solve for x
    x = 124,195,212,080.00/366,351.76
  6. Step 6: Final answer
    x = 339,005.36

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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.