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Finding the Fourth Proportional to 303,682.37, 455,476.80 and 101,282

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Solution

The fourth proportional to 303,682.37, 455,476.80 and 101,282 is: 151,907.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,682.37 : 455,476.80 = 101,282 : x
  2. Step 2: Convert to fraction form
    303,682.37/455,476.80 = 101,282/x
  3. Step 3: Cross multiply
    303,682.37x = 455,476.80 × 101,282
  4. Step 4: Simplify right side
    303,682.37x = 46,131,601,257.60
  5. Step 5: Solve for x
    x = 46,131,601,257.60/303,682.37
  6. Step 6: Final answer
    x = 151,907.41

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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.