Home / 378,215.70-566,558.10-235,623.30

Finding the Fourth Proportional to 378,215.70, 566,558.10 and 235,623.30

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Solution

The fourth proportional to 378,215.70, 566,558.10 and 235,623.30 is: 352,958.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,215.70 : 566,558.10 = 235,623.30 : x
  2. Step 2: Convert to fraction form
    378,215.70/566,558.10 = 235,623.30/x
  3. Step 3: Cross multiply
    378,215.70x = 566,558.10 × 235,623.30
  4. Step 4: Simplify right side
    378,215.70x = 133,494,289,163.73
  5. Step 5: Solve for x
    x = 133,494,289,163.73/378,215.70
  6. Step 6: Final answer
    x = 352,958.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.