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Finding the Fourth Proportional to 547,426.26, 755,185.95 and 343,374.84

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Solution

The fourth proportional to 547,426.26, 755,185.95 and 343,374.84 is: 473,692.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,426.26 : 755,185.95 = 343,374.84 : x
  2. Step 2: Convert to fraction form
    547,426.26/755,185.95 = 343,374.84/x
  3. Step 3: Cross multiply
    547,426.26x = 755,185.95 × 343,374.84
  4. Step 4: Simplify right side
    547,426.26x = 259,311,854,751.50
  5. Step 5: Solve for x
    x = 259,311,854,751.50/547,426.26
  6. Step 6: Final answer
    x = 473,692.76

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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.