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Finding the Fourth Proportional to 427,958.46, 590,600.49 and 236,971.85

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Solution

The fourth proportional to 427,958.46, 590,600.49 and 236,971.85 is: 327,031.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,958.46 : 590,600.49 = 236,971.85 : x
  2. Step 2: Convert to fraction form
    427,958.46/590,600.49 = 236,971.85/x
  3. Step 3: Cross multiply
    427,958.46x = 590,600.49 × 236,971.85
  4. Step 4: Simplify right side
    427,958.46x = 139,955,692,534.24
  5. Step 5: Solve for x
    x = 139,955,692,534.24/427,958.46
  6. Step 6: Final answer
    x = 327,031.02

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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.