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Finding the Fourth Proportional to 548,243.22, 822,270.51 and 148,916.16

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Solution

The fourth proportional to 548,243.22, 822,270.51 and 148,916.16 is: 223,348.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,243.22 : 822,270.51 = 148,916.16 : x
  2. Step 2: Convert to fraction form
    548,243.22/822,270.51 = 148,916.16/x
  3. Step 3: Cross multiply
    548,243.22x = 822,270.51 × 148,916.16
  4. Step 4: Simplify right side
    548,243.22x = 122,449,366,830.44
  5. Step 5: Solve for x
    x = 122,449,366,830.44/548,243.22
  6. Step 6: Final answer
    x = 223,348.62

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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.