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Finding the Fourth Proportional to 357,215.48, 492,962.47 and 196,067.60

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Solution

The fourth proportional to 357,215.48, 492,962.47 and 196,067.60 is: 270,576.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,215.48 : 492,962.47 = 196,067.60 : x
  2. Step 2: Convert to fraction form
    357,215.48/492,962.47 = 196,067.60/x
  3. Step 3: Cross multiply
    357,215.48x = 492,962.47 × 196,067.60
  4. Step 4: Simplify right side
    357,215.48x = 96,653,965,427.99
  5. Step 5: Solve for x
    x = 96,653,965,427.99/357,215.48
  6. Step 6: Final answer
    x = 270,576.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.