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Finding the Fourth Proportional to 365,238.30, 504,078.93 and 210,186.39

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Solution

The fourth proportional to 365,238.30, 504,078.93 and 210,186.39 is: 290,086.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,238.30 : 504,078.93 = 210,186.39 : x
  2. Step 2: Convert to fraction form
    365,238.30/504,078.93 = 210,186.39/x
  3. Step 3: Cross multiply
    365,238.30x = 504,078.93 × 210,186.39
  4. Step 4: Simplify right side
    365,238.30x = 105,950,530,571.76
  5. Step 5: Solve for x
    x = 105,950,530,571.76/365,238.30
  6. Step 6: Final answer
    x = 290,086.04

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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.