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Finding the Fourth Proportional to 862,012.88, 1,294,212 and 595,114.64

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Solution

The fourth proportional to 862,012.88, 1,294,212 and 595,114.64 is: 893,495.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,012.88 : 1,294,212 = 595,114.64 : x
  2. Step 2: Convert to fraction form
    862,012.88/1,294,212 = 595,114.64/x
  3. Step 3: Cross multiply
    862,012.88x = 1,294,212 × 595,114.64
  4. Step 4: Simplify right side
    862,012.88x = 770,204,508,463.68
  5. Step 5: Solve for x
    x = 770,204,508,463.68/862,012.88
  6. Step 6: Final answer
    x = 893,495.36

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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.