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Finding the Fourth Proportional to 546,477.69, 819,771.25 and 167,394.05

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Solution

The fourth proportional to 546,477.69, 819,771.25 and 167,394.05 is: 251,107.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,477.69 : 819,771.25 = 167,394.05 : x
  2. Step 2: Convert to fraction form
    546,477.69/819,771.25 = 167,394.05/x
  3. Step 3: Cross multiply
    546,477.69x = 819,771.25 × 167,394.05
  4. Step 4: Simplify right side
    546,477.69x = 137,224,829,611.06
  5. Step 5: Solve for x
    x = 137,224,829,611.06/546,477.69
  6. Step 6: Final answer
    x = 251,107.83

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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.