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Finding the Fourth Proportional to 437,513.48, 656,324.96 and 171,239.48

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Solution

The fourth proportional to 437,513.48, 656,324.96 and 171,239.48 is: 256,880.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,513.48 : 656,324.96 = 171,239.48 : x
  2. Step 2: Convert to fraction form
    437,513.48/656,324.96 = 171,239.48/x
  3. Step 3: Cross multiply
    437,513.48x = 656,324.96 × 171,239.48
  4. Step 4: Simplify right side
    437,513.48x = 112,388,744,861.42
  5. Step 5: Solve for x
    x = 112,388,744,861.42/437,513.48
  6. Step 6: Final answer
    x = 256,880.64

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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.