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Finding the Fourth Proportional to 275,265.52, 412,897.50 and 75,586.12

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Solution

The fourth proportional to 275,265.52, 412,897.50 and 75,586.12 is: 113,378.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,265.52 : 412,897.50 = 75,586.12 : x
  2. Step 2: Convert to fraction form
    275,265.52/412,897.50 = 75,586.12/x
  3. Step 3: Cross multiply
    275,265.52x = 412,897.50 × 75,586.12
  4. Step 4: Simplify right side
    275,265.52x = 31,209,319,982.70
  5. Step 5: Solve for x
    x = 31,209,319,982.70/275,265.52
  6. Step 6: Final answer
    x = 113,378.97

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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.