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Finding the Fourth Proportional to 427,324.16, 589,704.36 and 236,330.48

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Solution

The fourth proportional to 427,324.16, 589,704.36 and 236,330.48 is: 326,134.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,324.16 : 589,704.36 = 236,330.48 : x
  2. Step 2: Convert to fraction form
    427,324.16/589,704.36 = 236,330.48/x
  3. Step 3: Cross multiply
    427,324.16x = 589,704.36 × 236,330.48
  4. Step 4: Simplify right side
    427,324.16x = 139,365,114,456.89
  5. Step 5: Solve for x
    x = 139,365,114,456.89/427,324.16
  6. Step 6: Final answer
    x = 326,134.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.