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Finding the Fourth Proportional to 764,348.96, 1,146,522 and 203,383.52

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Solution

The fourth proportional to 764,348.96, 1,146,522 and 203,383.52 is: 305,074.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,348.96 : 1,146,522 = 203,383.52 : x
  2. Step 2: Convert to fraction form
    764,348.96/1,146,522 = 203,383.52/x
  3. Step 3: Cross multiply
    764,348.96x = 1,146,522 × 203,383.52
  4. Step 4: Simplify right side
    764,348.96x = 233,183,680,117.44
  5. Step 5: Solve for x
    x = 233,183,680,117.44/764,348.96
  6. Step 6: Final answer
    x = 305,074.90

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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.