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Finding the Fourth Proportional to 339,448.08, 468,386.28 and 196,180.46

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Solution

The fourth proportional to 339,448.08, 468,386.28 and 196,180.46 is: 270,698.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,448.08 : 468,386.28 = 196,180.46 : x
  2. Step 2: Convert to fraction form
    339,448.08/468,386.28 = 196,180.46/x
  3. Step 3: Cross multiply
    339,448.08x = 468,386.28 × 196,180.46
  4. Step 4: Simplify right side
    339,448.08x = 91,888,233,526.16
  5. Step 5: Solve for x
    x = 91,888,233,526.16/339,448.08
  6. Step 6: Final answer
    x = 270,698.93

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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.