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Finding the Fourth Proportional to 437,643.45, 603,930.47 and 246,696.48

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Solution

The fourth proportional to 437,643.45, 603,930.47 and 246,696.48 is: 340,431.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,643.45 : 603,930.47 = 246,696.48 : x
  2. Step 2: Convert to fraction form
    437,643.45/603,930.47 = 246,696.48/x
  3. Step 3: Cross multiply
    437,643.45x = 603,930.47 × 246,696.48
  4. Step 4: Simplify right side
    437,643.45x = 148,987,519,880.26
  5. Step 5: Solve for x
    x = 148,987,519,880.26/437,643.45
  6. Step 6: Final answer
    x = 340,431.28

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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.