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Finding the Fourth Proportional to 397,384.39, 548,404.88 and 227,651.32

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Solution

The fourth proportional to 397,384.39, 548,404.88 and 227,651.32 is: 314,167.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,384.39 : 548,404.88 = 227,651.32 : x
  2. Step 2: Convert to fraction form
    397,384.39/548,404.88 = 227,651.32/x
  3. Step 3: Cross multiply
    397,384.39x = 548,404.88 × 227,651.32
  4. Step 4: Simplify right side
    397,384.39x = 124,845,094,826.44
  5. Step 5: Solve for x
    x = 124,845,094,826.44/397,384.39
  6. Step 6: Final answer
    x = 314,167.08

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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.