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Finding the Fourth Proportional to 544,147.70, 816,223.48 and 165,071.74

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Solution

The fourth proportional to 544,147.70, 816,223.48 and 165,071.74 is: 247,608.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,147.70 : 816,223.48 = 165,071.74 : x
  2. Step 2: Convert to fraction form
    544,147.70/816,223.48 = 165,071.74/x
  3. Step 3: Cross multiply
    544,147.70x = 816,223.48 × 165,071.74
  4. Step 4: Simplify right side
    544,147.70x = 134,735,430,072.46
  5. Step 5: Solve for x
    x = 134,735,430,072.46/544,147.70
  6. Step 6: Final answer
    x = 247,608.20

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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.