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Finding the Fourth Proportional to 508,321.56, 701,410.89 and 304,323.67

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Solution

The fourth proportional to 508,321.56, 701,410.89 and 304,323.67 is: 419,923.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,321.56 : 701,410.89 = 304,323.67 : x
  2. Step 2: Convert to fraction form
    508,321.56/701,410.89 = 304,323.67/x
  3. Step 3: Cross multiply
    508,321.56x = 701,410.89 × 304,323.67
  4. Step 4: Simplify right side
    508,321.56x = 213,455,936,222.77
  5. Step 5: Solve for x
    x = 213,455,936,222.77/508,321.56
  6. Step 6: Final answer
    x = 419,923.04

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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.