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Finding the Fourth Proportional to 505,222.94, 757,612.06 and 189,458.41

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Solution

The fourth proportional to 505,222.94, 757,612.06 and 189,458.41 is: 284,104.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,222.94 : 757,612.06 = 189,458.41 : x
  2. Step 2: Convert to fraction form
    505,222.94/757,612.06 = 189,458.41/x
  3. Step 3: Cross multiply
    505,222.94x = 757,612.06 × 189,458.41
  4. Step 4: Simplify right side
    505,222.94x = 143,535,975,870.12
  5. Step 5: Solve for x
    x = 143,535,975,870.12/505,222.94
  6. Step 6: Final answer
    x = 284,104.23

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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.