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Finding the Fourth Proportional to 303,570.60, 455,355.90 and 116,586.60

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Solution

The fourth proportional to 303,570.60, 455,355.90 and 116,586.60 is: 174,879.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,570.60 : 455,355.90 = 116,586.60 : x
  2. Step 2: Convert to fraction form
    303,570.60/455,355.90 = 116,586.60/x
  3. Step 3: Cross multiply
    303,570.60x = 455,355.90 × 116,586.60
  4. Step 4: Simplify right side
    303,570.60x = 53,088,396,170.94
  5. Step 5: Solve for x
    x = 53,088,396,170.94/303,570.60
  6. Step 6: Final answer
    x = 174,879.90

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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.