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Finding the Fourth Proportional to 476,159.36, 657,107.97 and 261,319.41

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Solution

The fourth proportional to 476,159.36, 657,107.97 and 261,319.41 is: 360,625.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,159.36 : 657,107.97 = 261,319.41 : x
  2. Step 2: Convert to fraction form
    476,159.36/657,107.97 = 261,319.41/x
  3. Step 3: Cross multiply
    476,159.36x = 657,107.97 × 261,319.41
  4. Step 4: Simplify right side
    476,159.36x = 171,715,067,026.70
  5. Step 5: Solve for x
    x = 171,715,067,026.70/476,159.36
  6. Step 6: Final answer
    x = 360,625.21

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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.