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Finding the Fourth Proportional to 327,338.72, 491,004.80 and 114,106.20

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Solution

The fourth proportional to 327,338.72, 491,004.80 and 114,106.20 is: 171,158.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,338.72 : 491,004.80 = 114,106.20 : x
  2. Step 2: Convert to fraction form
    327,338.72/491,004.80 = 114,106.20/x
  3. Step 3: Cross multiply
    327,338.72x = 491,004.80 × 114,106.20
  4. Step 4: Simplify right side
    327,338.72x = 56,026,691,909.76
  5. Step 5: Solve for x
    x = 56,026,691,909.76/327,338.72
  6. Step 6: Final answer
    x = 171,158.16

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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.