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Finding the Fourth Proportional to 275,622.60, 413,040.30 and 157,043.40

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Solution

The fourth proportional to 275,622.60, 413,040.30 and 157,043.40 is: 235,340.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,622.60 : 413,040.30 = 157,043.40 : x
  2. Step 2: Convert to fraction form
    275,622.60/413,040.30 = 157,043.40/x
  3. Step 3: Cross multiply
    275,622.60x = 413,040.30 × 157,043.40
  4. Step 4: Simplify right side
    275,622.60x = 64,865,253,049.02
  5. Step 5: Solve for x
    x = 64,865,253,049.02/275,622.60
  6. Step 6: Final answer
    x = 235,340.84

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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.