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Finding the Fourth Proportional to 446,652, 616,379.76 and 245,448

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Solution

The fourth proportional to 446,652, 616,379.76 and 245,448 is: 338,718.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,652 : 616,379.76 = 245,448 : x
  2. Step 2: Convert to fraction form
    446,652/616,379.76 = 245,448/x
  3. Step 3: Cross multiply
    446,652x = 616,379.76 × 245,448
  4. Step 4: Simplify right side
    446,652x = 151,289,179,332.48
  5. Step 5: Solve for x
    x = 151,289,179,332.48/446,652
  6. Step 6: Final answer
    x = 338,718.24

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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.