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Finding the Fourth Proportional to 397,688.08, 548,833.16 and 227,933.16

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Solution

The fourth proportional to 397,688.08, 548,833.16 and 227,933.16 is: 314,561.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,688.08 : 548,833.16 = 227,933.16 : x
  2. Step 2: Convert to fraction form
    397,688.08/548,833.16 = 227,933.16/x
  3. Step 3: Cross multiply
    397,688.08x = 548,833.16 × 227,933.16
  4. Step 4: Simplify right side
    397,688.08x = 125,097,276,471.59
  5. Step 5: Solve for x
    x = 125,097,276,471.59/397,688.08
  6. Step 6: Final answer
    x = 314,561.29

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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.