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Finding the Fourth Proportional to 328,422.36, 453,222.18 and 177,519

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Solution

The fourth proportional to 328,422.36, 453,222.18 and 177,519 is: 244,975.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,422.36 : 453,222.18 = 177,519 : x
  2. Step 2: Convert to fraction form
    328,422.36/453,222.18 = 177,519/x
  3. Step 3: Cross multiply
    328,422.36x = 453,222.18 × 177,519
  4. Step 4: Simplify right side
    328,422.36x = 80,455,548,171.42
  5. Step 5: Solve for x
    x = 80,455,548,171.42/328,422.36
  6. Step 6: Final answer
    x = 244,975.85

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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.