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Finding the Fourth Proportional to 329,558.67, 454,791.65 and 178,655.67

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Solution

The fourth proportional to 329,558.67, 454,791.65 and 178,655.67 is: 246,545.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,558.67 : 454,791.65 = 178,655.67 : x
  2. Step 2: Convert to fraction form
    329,558.67/454,791.65 = 178,655.67/x
  3. Step 3: Cross multiply
    329,558.67x = 454,791.65 × 178,655.67
  4. Step 4: Simplify right side
    329,558.67x = 81,251,106,047.88
  5. Step 5: Solve for x
    x = 81,251,106,047.88/329,558.67
  6. Step 6: Final answer
    x = 246,545.19

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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.