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Finding the Fourth Proportional to 397,434.44, 548,473.56 and 227,701.34

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Solution

The fourth proportional to 397,434.44, 548,473.56 and 227,701.34 is: 314,235.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,434.44 : 548,473.56 = 227,701.34 : x
  2. Step 2: Convert to fraction form
    397,434.44/548,473.56 = 227,701.34/x
  3. Step 3: Cross multiply
    397,434.44x = 548,473.56 × 227,701.34
  4. Step 4: Simplify right side
    397,434.44x = 124,888,164,566.57
  5. Step 5: Solve for x
    x = 124,888,164,566.57/397,434.44
  6. Step 6: Final answer
    x = 314,235.89

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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.