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Finding the Fourth Proportional to 531,076.93, 796,728.92 and 171,268.27

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Solution

The fourth proportional to 531,076.93, 796,728.92 and 171,268.27 is: 256,939.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,076.93 : 796,728.92 = 171,268.27 : x
  2. Step 2: Convert to fraction form
    531,076.93/796,728.92 = 171,268.27/x
  3. Step 3: Cross multiply
    531,076.93x = 796,728.92 × 171,268.27
  4. Step 4: Simplify right side
    531,076.93x = 136,454,380,939.21
  5. Step 5: Solve for x
    x = 136,454,380,939.21/531,076.93
  6. Step 6: Final answer
    x = 256,939.01

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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.