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Finding the Fourth Proportional to 422,848.26, 634,365.66 and 123,352.26

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Solution

The fourth proportional to 422,848.26, 634,365.66 and 123,352.26 is: 185,055.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,848.26 : 634,365.66 = 123,352.26 : x
  2. Step 2: Convert to fraction form
    422,848.26/634,365.66 = 123,352.26/x
  3. Step 3: Cross multiply
    422,848.26x = 634,365.66 × 123,352.26
  4. Step 4: Simplify right side
    422,848.26x = 78,250,437,827.39
  5. Step 5: Solve for x
    x = 78,250,437,827.39/422,848.26
  6. Step 6: Final answer
    x = 185,055.60

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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.