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Finding the Fourth Proportional to 605,306.94, 835,261.77 and 372,696.94

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Solution

The fourth proportional to 605,306.94, 835,261.77 and 372,696.94 is: 514,283.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,306.94 : 835,261.77 = 372,696.94 : x
  2. Step 2: Convert to fraction form
    605,306.94/835,261.77 = 372,696.94/x
  3. Step 3: Cross multiply
    605,306.94x = 835,261.77 × 372,696.94
  4. Step 4: Simplify right side
    605,306.94x = 311,299,505,777.98
  5. Step 5: Solve for x
    x = 311,299,505,777.98/605,306.94
  6. Step 6: Final answer
    x = 514,283.72

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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.