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Finding the Fourth Proportional to 446,488.47, 616,165.11 and 255,563.37

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Solution

The fourth proportional to 446,488.47, 616,165.11 and 255,563.37 is: 352,683.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,488.47 : 616,165.11 = 255,563.37 : x
  2. Step 2: Convert to fraction form
    446,488.47/616,165.11 = 255,563.37/x
  3. Step 3: Cross multiply
    446,488.47x = 616,165.11 × 255,563.37
  4. Step 4: Simplify right side
    446,488.47x = 157,469,231,988.02
  5. Step 5: Solve for x
    x = 157,469,231,988.02/446,488.47
  6. Step 6: Final answer
    x = 352,683.76

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1.5x scale

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.