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Finding the Fourth Proportional to 303,596.70, 455,352.03 and 190,933.26

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Solution

The fourth proportional to 303,596.70, 455,352.03 and 190,933.26 is: 286,372.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,596.70 : 455,352.03 = 190,933.26 : x
  2. Step 2: Convert to fraction form
    303,596.70/455,352.03 = 190,933.26/x
  3. Step 3: Cross multiply
    303,596.70x = 455,352.03 × 190,933.26
  4. Step 4: Simplify right side
    303,596.70x = 86,941,847,535.52
  5. Step 5: Solve for x
    x = 86,941,847,535.52/303,596.70
  6. Step 6: Final answer
    x = 286,372.83

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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.