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Finding the Fourth Proportional to 446,900.40, 616,619.52 and 277,053.12

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Solution

The fourth proportional to 446,900.40, 616,619.52 and 277,053.12 is: 382,269.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,900.40 : 616,619.52 = 277,053.12 : x
  2. Step 2: Convert to fraction form
    446,900.40/616,619.52 = 277,053.12/x
  3. Step 3: Cross multiply
    446,900.40x = 616,619.52 × 277,053.12
  4. Step 4: Simplify right side
    446,900.40x = 170,836,361,868.90
  5. Step 5: Solve for x
    x = 170,836,361,868.90/446,900.40
  6. Step 6: Final answer
    x = 382,269.43

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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.