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Finding the Fourth Proportional to 227,900.70, 341,851.05 and 202,312.80

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Solution

The fourth proportional to 227,900.70, 341,851.05 and 202,312.80 is: 303,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,900.70 : 341,851.05 = 202,312.80 : x
  2. Step 2: Convert to fraction form
    227,900.70/341,851.05 = 202,312.80/x
  3. Step 3: Cross multiply
    227,900.70x = 341,851.05 × 202,312.80
  4. Step 4: Simplify right side
    227,900.70x = 69,160,843,108.44
  5. Step 5: Solve for x
    x = 69,160,843,108.44/227,900.70
  6. Step 6: Final answer
    x = 303,469.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.