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Finding the Fourth Proportional to 397,386.44, 548,407.69 and 227,653.37

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Solution

The fourth proportional to 397,386.44, 548,407.69 and 227,653.37 is: 314,169.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,386.44 : 548,407.69 = 227,653.37 : x
  2. Step 2: Convert to fraction form
    397,386.44/548,407.69 = 227,653.37/x
  3. Step 3: Cross multiply
    397,386.44x = 548,407.69 × 227,653.37
  4. Step 4: Simplify right side
    397,386.44x = 124,846,858,762.42
  5. Step 5: Solve for x
    x = 124,846,858,762.42/397,386.44
  6. Step 6: Final answer
    x = 314,169.90

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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.