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Finding the Fourth Proportional to 460,857.60, 690,249.60 and 274,233.60

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Solution

The fourth proportional to 460,857.60, 690,249.60 and 274,233.60 is: 410,733.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,857.60 : 690,249.60 = 274,233.60 : x
  2. Step 2: Convert to fraction form
    460,857.60/690,249.60 = 274,233.60/x
  3. Step 3: Cross multiply
    460,857.60x = 690,249.60 × 274,233.60
  4. Step 4: Simplify right side
    460,857.60x = 189,289,632,706.56
  5. Step 5: Solve for x
    x = 189,289,632,706.56/460,857.60
  6. Step 6: Final answer
    x = 410,733.45

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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.