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Finding the Fourth Proportional to 495,183.45, 741,563.79 and 447,259.71

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Solution

The fourth proportional to 495,183.45, 741,563.79 and 447,259.71 is: 669,795.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,183.45 : 741,563.79 = 447,259.71 : x
  2. Step 2: Convert to fraction form
    495,183.45/741,563.79 = 447,259.71/x
  3. Step 3: Cross multiply
    495,183.45x = 741,563.79 × 447,259.71
  4. Step 4: Simplify right side
    495,183.45x = 331,671,605,661.90
  5. Step 5: Solve for x
    x = 331,671,605,661.90/495,183.45
  6. Step 6: Final answer
    x = 669,795.42

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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.