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Finding the Fourth Proportional to 477,516.63, 659,066.45 and 273,704.07

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Solution

The fourth proportional to 477,516.63, 659,066.45 and 273,704.07 is: 377,765.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,516.63 : 659,066.45 = 273,704.07 : x
  2. Step 2: Convert to fraction form
    477,516.63/659,066.45 = 273,704.07/x
  3. Step 3: Cross multiply
    477,516.63x = 659,066.45 × 273,704.07
  4. Step 4: Simplify right side
    477,516.63x = 180,389,168,396.93
  5. Step 5: Solve for x
    x = 180,389,168,396.93/477,516.63
  6. Step 6: Final answer
    x = 377,765.21

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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.