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Finding the Fourth Proportional to 371,154.63, 557,011.83 and 271,571.75

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Solution

The fourth proportional to 371,154.63, 557,011.83 and 271,571.75 is: 407,562.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,154.63 : 557,011.83 = 271,571.75 : x
  2. Step 2: Convert to fraction form
    371,154.63/557,011.83 = 271,571.75/x
  3. Step 3: Cross multiply
    371,154.63x = 557,011.83 × 271,571.75
  4. Step 4: Simplify right side
    371,154.63x = 151,268,677,765.93
  5. Step 5: Solve for x
    x = 151,268,677,765.93/371,154.63
  6. Step 6: Final answer
    x = 407,562.41

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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.