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Finding the Fourth Proportional to 495,183.70, 741,564.17 and 447,259.96

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Solution

The fourth proportional to 495,183.70, 741,564.17 and 447,259.96 is: 669,795.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,183.70 : 741,564.17 = 447,259.96 : x
  2. Step 2: Convert to fraction form
    495,183.70/741,564.17 = 447,259.96/x
  3. Step 3: Cross multiply
    495,183.70x = 741,564.17 × 447,259.96
  4. Step 4: Simplify right side
    495,183.70x = 331,671,958,775.33
  5. Step 5: Solve for x
    x = 331,671,958,775.33/495,183.70
  6. Step 6: Final answer
    x = 669,795.79

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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.