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Finding the Fourth Proportional to 483,531.70, 725,042.40 and 163,573.60

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Solution

The fourth proportional to 483,531.70, 725,042.40 and 163,573.60 is: 245,274.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,531.70 : 725,042.40 = 163,573.60 : x
  2. Step 2: Convert to fraction form
    483,531.70/725,042.40 = 163,573.60/x
  3. Step 3: Cross multiply
    483,531.70x = 725,042.40 × 163,573.60
  4. Step 4: Simplify right side
    483,531.70x = 118,597,795,520.64
  5. Step 5: Solve for x
    x = 118,597,795,520.64/483,531.70
  6. Step 6: Final answer
    x = 245,274.09

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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.