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Finding the Fourth Proportional to 356,598.66, 492,105.12 and 195,453.21

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Solution

The fourth proportional to 356,598.66, 492,105.12 and 195,453.21 is: 269,724.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,598.66 : 492,105.12 = 195,453.21 : x
  2. Step 2: Convert to fraction form
    356,598.66/492,105.12 = 195,453.21/x
  3. Step 3: Cross multiply
    356,598.66x = 492,105.12 × 195,453.21
  4. Step 4: Simplify right side
    356,598.66x = 96,183,522,900.91
  5. Step 5: Solve for x
    x = 96,183,522,900.91/356,598.66
  6. Step 6: Final answer
    x = 269,724.86

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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.