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Finding the Fourth Proportional to 329,462.91, 454,654.76 and 178,556.67

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Solution

The fourth proportional to 329,462.91, 454,654.76 and 178,556.67 is: 246,406.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,462.91 : 454,654.76 = 178,556.67 : x
  2. Step 2: Convert to fraction form
    329,462.91/454,654.76 = 178,556.67/x
  3. Step 3: Cross multiply
    329,462.91x = 454,654.76 × 178,556.67
  4. Step 4: Simplify right side
    329,462.91x = 81,181,639,052.47
  5. Step 5: Solve for x
    x = 81,181,639,052.47/329,462.91
  6. Step 6: Final answer
    x = 246,406.00

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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.