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Finding the Fourth Proportional to 347,998.39, 480,271.49 and 195,062.56

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Solution

The fourth proportional to 347,998.39, 480,271.49 and 195,062.56 is: 269,205.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,998.39 : 480,271.49 = 195,062.56 : x
  2. Step 2: Convert to fraction form
    347,998.39/480,271.49 = 195,062.56/x
  3. Step 3: Cross multiply
    347,998.39x = 480,271.49 × 195,062.56
  4. Step 4: Simplify right side
    347,998.39x = 93,682,986,334.41
  5. Step 5: Solve for x
    x = 93,682,986,334.41/347,998.39
  6. Step 6: Final answer
    x = 269,205.23

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1.5x scale

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.