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Finding the Fourth Proportional to 503,828.37, 755,939.52 and 188,211.60

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Solution

The fourth proportional to 503,828.37, 755,939.52 and 188,211.60 is: 282,390.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,828.37 : 755,939.52 = 188,211.60 : x
  2. Step 2: Convert to fraction form
    503,828.37/755,939.52 = 188,211.60/x
  3. Step 3: Cross multiply
    503,828.37x = 755,939.52 × 188,211.60
  4. Step 4: Simplify right side
    503,828.37x = 142,276,586,562.43
  5. Step 5: Solve for x
    x = 142,276,586,562.43/503,828.37
  6. Step 6: Final answer
    x = 282,390.98

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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.