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Finding the Fourth Proportional to 481,692.51, 664,726.77 and 266,827.86

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Solution

The fourth proportional to 481,692.51, 664,726.77 and 266,827.86 is: 368,217.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,692.51 : 664,726.77 = 266,827.86 : x
  2. Step 2: Convert to fraction form
    481,692.51/664,726.77 = 266,827.86/x
  3. Step 3: Cross multiply
    481,692.51x = 664,726.77 × 266,827.86
  4. Step 4: Simplify right side
    481,692.51x = 177,367,621,523.81
  5. Step 5: Solve for x
    x = 177,367,621,523.81/481,692.51
  6. Step 6: Final answer
    x = 368,217.52

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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.