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Finding the Fourth Proportional to 328,492.32, 453,319.52 and 177,589.32

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Solution

The fourth proportional to 328,492.32, 453,319.52 and 177,589.32 is: 245,073.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,492.32 : 453,319.52 = 177,589.32 : x
  2. Step 2: Convert to fraction form
    328,492.32/453,319.52 = 177,589.32/x
  3. Step 3: Cross multiply
    328,492.32x = 453,319.52 × 177,589.32
  4. Step 4: Simplify right side
    328,492.32x = 80,504,705,299.53
  5. Step 5: Solve for x
    x = 80,504,705,299.53/328,492.32
  6. Step 6: Final answer
    x = 245,073.33

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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.