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Finding the Fourth Proportional to 329,435, 454,620.68 and 178,532

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Solution

The fourth proportional to 329,435, 454,620.68 and 178,532 is: 246,374.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,435 : 454,620.68 = 178,532 : x
  2. Step 2: Convert to fraction form
    329,435/454,620.68 = 178,532/x
  3. Step 3: Cross multiply
    329,435x = 454,620.68 × 178,532
  4. Step 4: Simplify right side
    329,435x = 81,164,339,241.76
  5. Step 5: Solve for x
    x = 81,164,339,241.76/329,435
  6. Step 6: Final answer
    x = 246,374.37

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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.