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Finding the Fourth Proportional to 303,466.70, 455,200.05 and 203,933.90

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Solution

The fourth proportional to 303,466.70, 455,200.05 and 203,933.90 is: 305,900.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,466.70 : 455,200.05 = 203,933.90 : x
  2. Step 2: Convert to fraction form
    303,466.70/455,200.05 = 203,933.90/x
  3. Step 3: Cross multiply
    303,466.70x = 455,200.05 × 203,933.90
  4. Step 4: Simplify right side
    303,466.70x = 92,830,721,476.70
  5. Step 5: Solve for x
    x = 92,830,721,476.70/303,466.70
  6. Step 6: Final answer
    x = 305,900.85

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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.