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Finding the Fourth Proportional to 541,216.60, 811,940.10 and 167,277.40

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Solution

The fourth proportional to 541,216.60, 811,940.10 and 167,277.40 is: 250,951.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,216.60 : 811,940.10 = 167,277.40 : x
  2. Step 2: Convert to fraction form
    541,216.60/811,940.10 = 167,277.40/x
  3. Step 3: Cross multiply
    541,216.60x = 811,940.10 × 167,277.40
  4. Step 4: Simplify right side
    541,216.60x = 135,819,228,883.74
  5. Step 5: Solve for x
    x = 135,819,228,883.74/541,216.60
  6. Step 6: Final answer
    x = 250,951.71

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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.