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Finding the Fourth Proportional to 274,352.80, 412,220.40 and 174,560.80

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Solution

The fourth proportional to 274,352.80, 412,220.40 and 174,560.80 is: 262,280.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,352.80 : 412,220.40 = 174,560.80 : x
  2. Step 2: Convert to fraction form
    274,352.80/412,220.40 = 174,560.80/x
  3. Step 3: Cross multiply
    274,352.80x = 412,220.40 × 174,560.80
  4. Step 4: Simplify right side
    274,352.80x = 71,957,522,800.32
  5. Step 5: Solve for x
    x = 71,957,522,800.32/274,352.80
  6. Step 6: Final answer
    x = 262,280.99

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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.