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Finding the Fourth Proportional to 328,522.24, 453,361.35 and 177,619.24

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Solution

The fourth proportional to 328,522.24, 453,361.35 and 177,619.24 is: 245,114.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,522.24 : 453,361.35 = 177,619.24 : x
  2. Step 2: Convert to fraction form
    328,522.24/453,361.35 = 177,619.24/x
  3. Step 3: Cross multiply
    328,522.24x = 453,361.35 × 177,619.24
  4. Step 4: Simplify right side
    328,522.24x = 80,525,698,432.37
  5. Step 5: Solve for x
    x = 80,525,698,432.37/328,522.24
  6. Step 6: Final answer
    x = 245,114.91

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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.