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Finding the Fourth Proportional to 303,475.41, 418,796.11 and 167,509.41

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Solution

The fourth proportional to 303,475.41, 418,796.11 and 167,509.41 is: 231,163.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,475.41 : 418,796.11 = 167,509.41 : x
  2. Step 2: Convert to fraction form
    303,475.41/418,796.11 = 167,509.41/x
  3. Step 3: Cross multiply
    303,475.41x = 418,796.11 × 167,509.41
  4. Step 4: Simplify right side
    303,475.41x = 70,152,288,877.60
  5. Step 5: Solve for x
    x = 70,152,288,877.60/303,475.41
  6. Step 6: Final answer
    x = 231,163.01

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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.