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Finding the Fourth Proportional to 566,644.60, 847,998.60 and 389,497.60

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Solution

The fourth proportional to 566,644.60, 847,998.60 and 389,497.60 is: 582,893.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,644.60 : 847,998.60 = 389,497.60 : x
  2. Step 2: Convert to fraction form
    566,644.60/847,998.60 = 389,497.60/x
  3. Step 3: Cross multiply
    566,644.60x = 847,998.60 × 389,497.60
  4. Step 4: Simplify right side
    566,644.60x = 330,293,419,503.36
  5. Step 5: Solve for x
    x = 330,293,419,503.36/566,644.60
  6. Step 6: Final answer
    x = 582,893.44

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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.