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Finding the Fourth Proportional to 328,410.28, 453,206.87 and 177,507.28

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Solution

The fourth proportional to 328,410.28, 453,206.87 and 177,507.28 is: 244,960.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,410.28 : 453,206.87 = 177,507.28 : x
  2. Step 2: Convert to fraction form
    328,410.28/453,206.87 = 177,507.28/x
  3. Step 3: Cross multiply
    328,410.28x = 453,206.87 × 177,507.28
  4. Step 4: Simplify right side
    328,410.28x = 80,447,518,771.01
  5. Step 5: Solve for x
    x = 80,447,518,771.01/328,410.28
  6. Step 6: Final answer
    x = 244,960.42

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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.