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Finding the Fourth Proportional to 477,889.74, 659,412.27 and 273,901.37

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Solution

The fourth proportional to 477,889.74, 659,412.27 and 273,901.37 is: 377,940.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,889.74 : 659,412.27 = 273,901.37 : x
  2. Step 2: Convert to fraction form
    477,889.74/659,412.27 = 273,901.37/x
  3. Step 3: Cross multiply
    477,889.74x = 659,412.27 × 273,901.37
  4. Step 4: Simplify right side
    477,889.74x = 180,613,920,850.75
  5. Step 5: Solve for x
    x = 180,613,920,850.75/477,889.74
  6. Step 6: Final answer
    x = 377,940.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.