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Finding the Fourth Proportional to 320,014.82, 441,620.70 and 174,822.59

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Solution

The fourth proportional to 320,014.82, 441,620.70 and 174,822.59 is: 241,255.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,014.82 : 441,620.70 = 174,822.59 : x
  2. Step 2: Convert to fraction form
    320,014.82/441,620.70 = 174,822.59/x
  3. Step 3: Cross multiply
    320,014.82x = 441,620.70 × 174,822.59
  4. Step 4: Simplify right side
    320,014.82x = 77,205,274,571.61
  5. Step 5: Solve for x
    x = 77,205,274,571.61/320,014.82
  6. Step 6: Final answer
    x = 241,255.31

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1.5x scale

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.