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Finding the Fourth Proportional to 451,996.01, 674,000.58 and 447,939.12

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Solution

The fourth proportional to 451,996.01, 674,000.58 and 447,939.12 is: 667,951.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,996.01 : 674,000.58 = 447,939.12 : x
  2. Step 2: Convert to fraction form
    451,996.01/674,000.58 = 447,939.12/x
  3. Step 3: Cross multiply
    451,996.01x = 674,000.58 × 447,939.12
  4. Step 4: Simplify right side
    451,996.01x = 301,911,226,684.69
  5. Step 5: Solve for x
    x = 301,911,226,684.69/451,996.01
  6. Step 6: Final answer
    x = 667,951.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.