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Finding the Fourth Proportional to 248,644.58, 373,227.71 and 220,362.45

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Solution

The fourth proportional to 248,644.58, 373,227.71 and 220,362.45 is: 330,774.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,644.58 : 373,227.71 = 220,362.45 : x
  2. Step 2: Convert to fraction form
    248,644.58/373,227.71 = 220,362.45/x
  3. Step 3: Cross multiply
    248,644.58x = 373,227.71 × 220,362.45
  4. Step 4: Simplify right side
    248,644.58x = 82,245,373,134.40
  5. Step 5: Solve for x
    x = 82,245,373,134.40/248,644.58
  6. Step 6: Final answer
    x = 330,774.85

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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.