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Finding the Fourth Proportional to 348,890.51, 481,480.53 and 195,955.64

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Solution

The fourth proportional to 348,890.51, 481,480.53 and 195,955.64 is: 270,425.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,890.51 : 481,480.53 = 195,955.64 : x
  2. Step 2: Convert to fraction form
    348,890.51/481,480.53 = 195,955.64/x
  3. Step 3: Cross multiply
    348,890.51x = 481,480.53 × 195,955.64
  4. Step 4: Simplify right side
    348,890.51x = 94,348,825,403.69
  5. Step 5: Solve for x
    x = 94,348,825,403.69/348,890.51
  6. Step 6: Final answer
    x = 270,425.31

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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.