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Finding the Fourth Proportional to 447,002.70, 616,863.57 and 245,798.70

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Solution

The fourth proportional to 447,002.70, 616,863.57 and 245,798.70 is: 339,202.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,002.70 : 616,863.57 = 245,798.70 : x
  2. Step 2: Convert to fraction form
    447,002.70/616,863.57 = 245,798.70/x
  3. Step 3: Cross multiply
    447,002.70x = 616,863.57 × 245,798.70
  4. Step 4: Simplify right side
    447,002.70x = 151,624,263,583.36
  5. Step 5: Solve for x
    x = 151,624,263,583.36/447,002.70
  6. Step 6: Final answer
    x = 339,202.12

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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.