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Finding the Fourth Proportional to 446,666.63, 616,399.94 and 245,462.63

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Solution

The fourth proportional to 446,666.63, 616,399.94 and 245,462.63 is: 338,738.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,666.63 : 616,399.94 = 245,462.63 : x
  2. Step 2: Convert to fraction form
    446,666.63/616,399.94 = 245,462.63/x
  3. Step 3: Cross multiply
    446,666.63x = 616,399.94 × 245,462.63
  4. Step 4: Simplify right side
    446,666.63x = 151,303,147,935.90
  5. Step 5: Solve for x
    x = 151,303,147,935.90/446,666.63
  6. Step 6: Final answer
    x = 338,738.42

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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.