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Finding the Fourth Proportional to 328,565.36, 453,419.88 and 177,662

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Solution

The fourth proportional to 328,565.36, 453,419.88 and 177,662 is: 245,173.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,565.36 : 453,419.88 = 177,662 : x
  2. Step 2: Convert to fraction form
    328,565.36/453,419.88 = 177,662/x
  3. Step 3: Cross multiply
    328,565.36x = 453,419.88 × 177,662
  4. Step 4: Simplify right side
    328,565.36x = 80,555,482,720.56
  5. Step 5: Solve for x
    x = 80,555,482,720.56/328,565.36
  6. Step 6: Final answer
    x = 245,173.39

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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.