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Finding the Fourth Proportional to 569,705.20, 854,634.60 and 195,842.80

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Solution

The fourth proportional to 569,705.20, 854,634.60 and 195,842.80 is: 293,790.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,705.20 : 854,634.60 = 195,842.80 : x
  2. Step 2: Convert to fraction form
    569,705.20/854,634.60 = 195,842.80/x
  3. Step 3: Cross multiply
    569,705.20x = 854,634.60 × 195,842.80
  4. Step 4: Simplify right side
    569,705.20x = 167,374,033,040.88
  5. Step 5: Solve for x
    x = 167,374,033,040.88/569,705.20
  6. Step 6: Final answer
    x = 293,790.60

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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.