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Finding the Fourth Proportional to 555,262.40, 833,236.22 and 218,243.84

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Solution

The fourth proportional to 555,262.40, 833,236.22 and 218,243.84 is: 327,500.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,262.40 : 833,236.22 = 218,243.84 : x
  2. Step 2: Convert to fraction form
    555,262.40/833,236.22 = 218,243.84/x
  3. Step 3: Cross multiply
    555,262.40x = 833,236.22 × 218,243.84
  4. Step 4: Simplify right side
    555,262.40x = 181,848,672,279.89
  5. Step 5: Solve for x
    x = 181,848,672,279.89/555,262.40
  6. Step 6: Final answer
    x = 327,500.43

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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.