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Finding the Fourth Proportional to 544,424.96, 816,638.70 and 165,348.66

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Solution

The fourth proportional to 544,424.96, 816,638.70 and 165,348.66 is: 248,023.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,424.96 : 816,638.70 = 165,348.66 : x
  2. Step 2: Convert to fraction form
    544,424.96/816,638.70 = 165,348.66/x
  3. Step 3: Cross multiply
    544,424.96x = 816,638.70 × 165,348.66
  4. Step 4: Simplify right side
    544,424.96x = 135,030,114,749.14
  5. Step 5: Solve for x
    x = 135,030,114,749.14/544,424.96
  6. Step 6: Final answer
    x = 248,023.37

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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.