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Finding the Fourth Proportional to 298,631.21, 412,096.50 and 169,552.76

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Solution

The fourth proportional to 298,631.21, 412,096.50 and 169,552.76 is: 233,974.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,631.21 : 412,096.50 = 169,552.76 : x
  2. Step 2: Convert to fraction form
    298,631.21/412,096.50 = 169,552.76/x
  3. Step 3: Cross multiply
    298,631.21x = 412,096.50 × 169,552.76
  4. Step 4: Simplify right side
    298,631.21x = 69,872,096,900.86
  5. Step 5: Solve for x
    x = 69,872,096,900.86/298,631.21
  6. Step 6: Final answer
    x = 233,974.53

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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.