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Finding the Fourth Proportional to 476,033.80, 656,933.34 and 261,169.96

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Solution

The fourth proportional to 476,033.80, 656,933.34 and 261,169.96 is: 360,418.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,033.80 : 656,933.34 = 261,169.96 : x
  2. Step 2: Convert to fraction form
    476,033.80/656,933.34 = 261,169.96/x
  3. Step 3: Cross multiply
    476,033.80x = 656,933.34 × 261,169.96
  4. Step 4: Simplify right side
    476,033.80x = 171,571,254,130.47
  5. Step 5: Solve for x
    x = 171,571,254,130.47/476,033.80
  6. Step 6: Final answer
    x = 360,418.22

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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.