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Finding the Fourth Proportional to 666,564.40, 996,930.60 and 595,997.20

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Solution

The fourth proportional to 666,564.40, 996,930.60 and 595,997.20 is: 891,388.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,564.40 : 996,930.60 = 595,997.20 : x
  2. Step 2: Convert to fraction form
    666,564.40/996,930.60 = 595,997.20/x
  3. Step 3: Cross multiply
    666,564.40x = 996,930.60 × 595,997.20
  4. Step 4: Simplify right side
    666,564.40x = 594,167,846,194.32
  5. Step 5: Solve for x
    x = 594,167,846,194.32/666,564.40
  6. Step 6: Final answer
    x = 891,388.51

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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.