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Finding the Fourth Proportional to 360,082.80, 539,790.24 and 123,369.24

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Solution

The fourth proportional to 360,082.80, 539,790.24 and 123,369.24 is: 184,939.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,082.80 : 539,790.24 = 123,369.24 : x
  2. Step 2: Convert to fraction form
    360,082.80/539,790.24 = 123,369.24/x
  3. Step 3: Cross multiply
    360,082.80x = 539,790.24 × 123,369.24
  4. Step 4: Simplify right side
    360,082.80x = 66,593,511,668.22
  5. Step 5: Solve for x
    x = 66,593,511,668.22/360,082.80
  6. Step 6: Final answer
    x = 184,939.44

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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.