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Finding the Fourth Proportional to 344,000.30, 515,563.05 and 166,124.30

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Solution

The fourth proportional to 344,000.30, 515,563.05 and 166,124.30 is: 248,975.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,000.30 : 515,563.05 = 166,124.30 : x
  2. Step 2: Convert to fraction form
    344,000.30/515,563.05 = 166,124.30/x
  3. Step 3: Cross multiply
    344,000.30x = 515,563.05 × 166,124.30
  4. Step 4: Simplify right side
    344,000.30x = 85,647,550,787.12
  5. Step 5: Solve for x
    x = 85,647,550,787.12/344,000.30
  6. Step 6: Final answer
    x = 248,975.22

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1.5x scale

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.