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Finding the Fourth Proportional to 862,762.48, 1,294,152 and 231,676.36

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Solution

The fourth proportional to 862,762.48, 1,294,152 and 231,676.36 is: 347,516.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,762.48 : 1,294,152 = 231,676.36 : x
  2. Step 2: Convert to fraction form
    862,762.48/1,294,152 = 231,676.36/x
  3. Step 3: Cross multiply
    862,762.48x = 1,294,152 × 231,676.36
  4. Step 4: Simplify right side
    862,762.48x = 299,824,424,646.72
  5. Step 5: Solve for x
    x = 299,824,424,646.72/862,762.48
  6. Step 6: Final answer
    x = 347,516.76

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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.