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Finding the Fourth Proportional to 365,633.13, 504,362.28 and 220,339.80

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Solution

The fourth proportional to 365,633.13, 504,362.28 and 220,339.80 is: 303,941.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,633.13 : 504,362.28 = 220,339.80 : x
  2. Step 2: Convert to fraction form
    365,633.13/504,362.28 = 220,339.80/x
  3. Step 3: Cross multiply
    365,633.13x = 504,362.28 × 220,339.80
  4. Step 4: Simplify right side
    365,633.13x = 111,131,083,902.74
  5. Step 5: Solve for x
    x = 111,131,083,902.74/365,633.13
  6. Step 6: Final answer
    x = 303,941.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.