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Finding the Fourth Proportional to 703,677.20, 1,056,978.05 and 568,893.60

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Solution

The fourth proportional to 703,677.20, 1,056,978.05 and 568,893.60 is: 854,522.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,677.20 : 1,056,978.05 = 568,893.60 : x
  2. Step 2: Convert to fraction form
    703,677.20/1,056,978.05 = 568,893.60/x
  3. Step 3: Cross multiply
    703,677.20x = 1,056,978.05 × 568,893.60
  4. Step 4: Simplify right side
    703,677.20x = 601,308,045,141.01
  5. Step 5: Solve for x
    x = 601,308,045,141.01/703,677.20
  6. Step 6: Final answer
    x = 854,522.57

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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.