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Finding the Fourth Proportional to 255,469.80, 352,576.06 and 140,760.22

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Solution

The fourth proportional to 255,469.80, 352,576.06 and 140,760.22 is: 194,264.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,469.80 : 352,576.06 = 140,760.22 : x
  2. Step 2: Convert to fraction form
    255,469.80/352,576.06 = 140,760.22/x
  3. Step 3: Cross multiply
    255,469.80x = 352,576.06 × 140,760.22
  4. Step 4: Simplify right side
    255,469.80x = 49,628,683,772.33
  5. Step 5: Solve for x
    x = 49,628,683,772.33/255,469.80
  6. Step 6: Final answer
    x = 194,264.39

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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.