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Finding the Fourth Proportional to 331,650.81, 457,678.22 and 180,747.81

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Solution

The fourth proportional to 331,650.81, 457,678.22 and 180,747.81 is: 249,432.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,650.81 : 457,678.22 = 180,747.81 : x
  2. Step 2: Convert to fraction form
    331,650.81/457,678.22 = 180,747.81/x
  3. Step 3: Cross multiply
    331,650.81x = 457,678.22 × 180,747.81
  4. Step 4: Simplify right side
    331,650.81x = 82,724,335,045.96
  5. Step 5: Solve for x
    x = 82,724,335,045.96/331,650.81
  6. Step 6: Final answer
    x = 249,432.03

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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.