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Finding the Fourth Proportional to 427,058.22, 589,317.22 and 236,059.31

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Solution

The fourth proportional to 427,058.22, 589,317.22 and 236,059.31 is: 325,749.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,058.22 : 589,317.22 = 236,059.31 : x
  2. Step 2: Convert to fraction form
    427,058.22/589,317.22 = 236,059.31/x
  3. Step 3: Cross multiply
    427,058.22x = 589,317.22 × 236,059.31
  4. Step 4: Simplify right side
    427,058.22x = 139,113,818,092.69
  5. Step 5: Solve for x
    x = 139,113,818,092.69/427,058.22
  6. Step 6: Final answer
    x = 325,749.07

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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.