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Finding the Fourth Proportional to 275,280.46, 412,641.84 and 186,542.92

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Solution

The fourth proportional to 275,280.46, 412,641.84 and 186,542.92 is: 279,625.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,280.46 : 412,641.84 = 186,542.92 : x
  2. Step 2: Convert to fraction form
    275,280.46/412,641.84 = 186,542.92/x
  3. Step 3: Cross multiply
    275,280.46x = 412,641.84 × 186,542.92
  4. Step 4: Simplify right side
    275,280.46x = 76,975,413,747.77
  5. Step 5: Solve for x
    x = 76,975,413,747.77/275,280.46
  6. Step 6: Final answer
    x = 279,625.42

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1.5x scale

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.