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Finding the Fourth Proportional to 436,874.72, 654,800.76 and 166,825.98

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Solution

The fourth proportional to 436,874.72, 654,800.76 and 166,825.98 is: 250,043.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,874.72 : 654,800.76 = 166,825.98 : x
  2. Step 2: Convert to fraction form
    436,874.72/654,800.76 = 166,825.98/x
  3. Step 3: Cross multiply
    436,874.72x = 654,800.76 × 166,825.98
  4. Step 4: Simplify right side
    436,874.72x = 109,237,778,491.75
  5. Step 5: Solve for x
    x = 109,237,778,491.75/436,874.72
  6. Step 6: Final answer
    x = 250,043.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.