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Finding the Fourth Proportional to 560,344.37, 773,273.50 and 305,693.73

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Solution

The fourth proportional to 560,344.37, 773,273.50 and 305,693.73 is: 421,856.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,344.37 : 773,273.50 = 305,693.73 : x
  2. Step 2: Convert to fraction form
    560,344.37/773,273.50 = 305,693.73/x
  3. Step 3: Cross multiply
    560,344.37x = 773,273.50 × 305,693.73
  4. Step 4: Simplify right side
    560,344.37x = 236,384,859,760.92
  5. Step 5: Solve for x
    x = 236,384,859,760.92/560,344.37
  6. Step 6: Final answer
    x = 421,856.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.