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Finding the Fourth Proportional to 327,953.58, 491,930.46 and 253,182.87

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Solution

The fourth proportional to 327,953.58, 491,930.46 and 253,182.87 is: 379,774.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,953.58 : 491,930.46 = 253,182.87 : x
  2. Step 2: Convert to fraction form
    327,953.58/491,930.46 = 253,182.87/x
  3. Step 3: Cross multiply
    327,953.58x = 491,930.46 × 253,182.87
  4. Step 4: Simplify right side
    327,953.58x = 124,548,365,703.22
  5. Step 5: Solve for x
    x = 124,548,365,703.22/327,953.58
  6. Step 6: Final answer
    x = 379,774.37

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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.