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Finding the Fourth Proportional to 303,562.20, 455,365.40 and 116,573.70

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Solution

The fourth proportional to 303,562.20, 455,365.40 and 116,573.70 is: 174,869.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,562.20 : 455,365.40 = 116,573.70 : x
  2. Step 2: Convert to fraction form
    303,562.20/455,365.40 = 116,573.70/x
  3. Step 3: Cross multiply
    303,562.20x = 455,365.40 × 116,573.70
  4. Step 4: Simplify right side
    303,562.20x = 53,083,629,529.98
  5. Step 5: Solve for x
    x = 53,083,629,529.98/303,562.20
  6. Step 6: Final answer
    x = 174,869.04

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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.