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Finding the Fourth Proportional to 356,270.95, 491,635.49 and 195,094.90

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Solution

The fourth proportional to 356,270.95, 491,635.49 and 195,094.90 is: 269,220.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,270.95 : 491,635.49 = 195,094.90 : x
  2. Step 2: Convert to fraction form
    356,270.95/491,635.49 = 195,094.90/x
  3. Step 3: Cross multiply
    356,270.95x = 491,635.49 × 195,094.90
  4. Step 4: Simplify right side
    356,270.95x = 95,915,576,758.00
  5. Step 5: Solve for x
    x = 95,915,576,758.00/356,270.95
  6. Step 6: Final answer
    x = 269,220.87

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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.