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Finding the Fourth Proportional to 569,367.94, 854,140.48 and 190,171.30

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Solution

The fourth proportional to 569,367.94, 854,140.48 and 190,171.30 is: 285,286.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,367.94 : 854,140.48 = 190,171.30 : x
  2. Step 2: Convert to fraction form
    569,367.94/854,140.48 = 190,171.30/x
  3. Step 3: Cross multiply
    569,367.94x = 854,140.48 × 190,171.30
  4. Step 4: Simplify right side
    569,367.94x = 162,433,005,464.22
  5. Step 5: Solve for x
    x = 162,433,005,464.22/569,367.94
  6. Step 6: Final answer
    x = 285,286.53

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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.