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Finding the Fourth Proportional to 335,790.36, 503,685 and 230,289.48

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Solution

The fourth proportional to 335,790.36, 503,685 and 230,289.48 is: 345,433.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,790.36 : 503,685 = 230,289.48 : x
  2. Step 2: Convert to fraction form
    335,790.36/503,685 = 230,289.48/x
  3. Step 3: Cross multiply
    335,790.36x = 503,685 × 230,289.48
  4. Step 4: Simplify right side
    335,790.36x = 115,993,356,733.80
  5. Step 5: Solve for x
    x = 115,993,356,733.80/335,790.36
  6. Step 6: Final answer
    x = 345,433.85

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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.