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Finding the Fourth Proportional to 427,967.31, 590,587.67 and 236,976.60

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Solution

The fourth proportional to 427,967.31, 590,587.67 and 236,976.60 is: 327,023.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,967.31 : 590,587.67 = 236,976.60 : x
  2. Step 2: Convert to fraction form
    427,967.31/590,587.67 = 236,976.60/x
  3. Step 3: Cross multiply
    427,967.31x = 590,587.67 × 236,976.60
  4. Step 4: Simplify right side
    427,967.31x = 139,955,458,038.52
  5. Step 5: Solve for x
    x = 139,955,458,038.52/427,967.31
  6. Step 6: Final answer
    x = 327,023.71

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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.