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Finding the Fourth Proportional to 332,978.40, 499,467.60 and 164,579.40

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Solution

The fourth proportional to 332,978.40, 499,467.60 and 164,579.40 is: 246,869.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,978.40 : 499,467.60 = 164,579.40 : x
  2. Step 2: Convert to fraction form
    332,978.40/499,467.60 = 164,579.40/x
  3. Step 3: Cross multiply
    332,978.40x = 499,467.60 × 164,579.40
  4. Step 4: Simplify right side
    332,978.40x = 82,202,077,927.44
  5. Step 5: Solve for x
    x = 82,202,077,927.44/332,978.40
  6. Step 6: Final answer
    x = 246,869.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.