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Finding the Fourth Proportional to 397,437.44, 548,477.70 and 227,704.34

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Solution

The fourth proportional to 397,437.44, 548,477.70 and 227,704.34 is: 314,240.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,437.44 : 548,477.70 = 227,704.34 : x
  2. Step 2: Convert to fraction form
    397,437.44/548,477.70 = 227,704.34/x
  3. Step 3: Cross multiply
    397,437.44x = 548,477.70 × 227,704.34
  4. Step 4: Simplify right side
    397,437.44x = 124,890,752,683.22
  5. Step 5: Solve for x
    x = 124,890,752,683.22/397,437.44
  6. Step 6: Final answer
    x = 314,240.03

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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.