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Finding the Fourth Proportional to 303,816.96, 455,619.84 and 169,086.60

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Solution

The fourth proportional to 303,816.96, 455,619.84 and 169,086.60 is: 253,571.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,816.96 : 455,619.84 = 169,086.60 : x
  2. Step 2: Convert to fraction form
    303,816.96/455,619.84 = 169,086.60/x
  3. Step 3: Cross multiply
    303,816.96x = 455,619.84 × 169,086.60
  4. Step 4: Simplify right side
    303,816.96x = 77,039,209,638.14
  5. Step 5: Solve for x
    x = 77,039,209,638.14/303,816.96
  6. Step 6: Final answer
    x = 253,571.13

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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.