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Finding the Fourth Proportional to 548,436.94, 822,673.61 and 188,604.24

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Solution

The fourth proportional to 548,436.94, 822,673.61 and 188,604.24 is: 282,912.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,436.94 : 822,673.61 = 188,604.24 : x
  2. Step 2: Convert to fraction form
    548,436.94/822,673.61 = 188,604.24/x
  3. Step 3: Cross multiply
    548,436.94x = 822,673.61 × 188,604.24
  4. Step 4: Simplify right side
    548,436.94x = 155,159,730,982.11
  5. Step 5: Solve for x
    x = 155,159,730,982.11/548,436.94
  6. Step 6: Final answer
    x = 282,912.62

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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.