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Finding the Fourth Proportional to 411,366.33, 567,686.87 and 230,081.37

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Solution

The fourth proportional to 411,366.33, 567,686.87 and 230,081.37 is: 317,513.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,366.33 : 567,686.87 = 230,081.37 : x
  2. Step 2: Convert to fraction form
    411,366.33/567,686.87 = 230,081.37/x
  3. Step 3: Cross multiply
    411,366.33x = 567,686.87 × 230,081.37
  4. Step 4: Simplify right side
    411,366.33x = 130,614,171,630.21
  5. Step 5: Solve for x
    x = 130,614,171,630.21/411,366.33
  6. Step 6: Final answer
    x = 317,513.03

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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.