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Finding the Fourth Proportional to 365,801.09, 504,978.08 and 275,191.56

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Solution

The fourth proportional to 365,801.09, 504,978.08 and 275,191.56 is: 379,894.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,801.09 : 504,978.08 = 275,191.56 : x
  2. Step 2: Convert to fraction form
    365,801.09/504,978.08 = 275,191.56/x
  3. Step 3: Cross multiply
    365,801.09x = 504,978.08 × 275,191.56
  4. Step 4: Simplify right side
    365,801.09x = 138,965,704,225.05
  5. Step 5: Solve for x
    x = 138,965,704,225.05/365,801.09
  6. Step 6: Final answer
    x = 379,894.18

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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.