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Finding the Fourth Proportional to 216,164.29, 297,646.36 and 195,889.28

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Solution

The fourth proportional to 216,164.29, 297,646.36 and 195,889.28 is: 269,728.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,164.29 : 297,646.36 = 195,889.28 : x
  2. Step 2: Convert to fraction form
    216,164.29/297,646.36 = 195,889.28/x
  3. Step 3: Cross multiply
    216,164.29x = 297,646.36 × 195,889.28
  4. Step 4: Simplify right side
    216,164.29x = 58,305,729,666.79
  5. Step 5: Solve for x
    x = 58,305,729,666.79/216,164.29
  6. Step 6: Final answer
    x = 269,728.78

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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.