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Finding the Fourth Proportional to 477,630.69, 659,224.50 and 273,818.43

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Solution

The fourth proportional to 477,630.69, 659,224.50 and 273,818.43 is: 377,923.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,630.69 : 659,224.50 = 273,818.43 : x
  2. Step 2: Convert to fraction form
    477,630.69/659,224.50 = 273,818.43/x
  3. Step 3: Cross multiply
    477,630.69x = 659,224.50 × 273,818.43
  4. Step 4: Simplify right side
    477,630.69x = 180,507,817,607.54
  5. Step 5: Solve for x
    x = 180,507,817,607.54/477,630.69
  6. Step 6: Final answer
    x = 377,923.41

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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.