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Finding the Fourth Proportional to 492,866.73, 739,300.32 and 208,483.56

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Solution

The fourth proportional to 492,866.73, 739,300.32 and 208,483.56 is: 312,725.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,866.73 : 739,300.32 = 208,483.56 : x
  2. Step 2: Convert to fraction form
    492,866.73/739,300.32 = 208,483.56/x
  3. Step 3: Cross multiply
    492,866.73x = 739,300.32 × 208,483.56
  4. Step 4: Simplify right side
    492,866.73x = 154,131,962,622.74
  5. Step 5: Solve for x
    x = 154,131,962,622.74/492,866.73
  6. Step 6: Final answer
    x = 312,725.44

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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.