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Finding the Fourth Proportional to 320,230.62, 441,941.15 and 176,987.59

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Solution

The fourth proportional to 320,230.62, 441,941.15 and 176,987.59 is: 244,255.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,230.62 : 441,941.15 = 176,987.59 : x
  2. Step 2: Convert to fraction form
    320,230.62/441,941.15 = 176,987.59/x
  3. Step 3: Cross multiply
    320,230.62x = 441,941.15 × 176,987.59
  4. Step 4: Simplify right side
    320,230.62x = 78,218,099,060.33
  5. Step 5: Solve for x
    x = 78,218,099,060.33/320,230.62
  6. Step 6: Final answer
    x = 244,255.53

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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.