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Finding the Fourth Proportional to 350,866.69, 484,195.68 and 189,721.35

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Solution

The fourth proportional to 350,866.69, 484,195.68 and 189,721.35 is: 261,815.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,866.69 : 484,195.68 = 189,721.35 : x
  2. Step 2: Convert to fraction form
    350,866.69/484,195.68 = 189,721.35/x
  3. Step 3: Cross multiply
    350,866.69x = 484,195.68 × 189,721.35
  4. Step 4: Simplify right side
    350,866.69x = 91,862,258,073.77
  5. Step 5: Solve for x
    x = 91,862,258,073.77/350,866.69
  6. Step 6: Final answer
    x = 261,815.27

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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.