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Finding the Fourth Proportional to 321,593.59, 443,740.48 and 185,577.92

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Solution

The fourth proportional to 321,593.59, 443,740.48 and 185,577.92 is: 256,063.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,593.59 : 443,740.48 = 185,577.92 : x
  2. Step 2: Convert to fraction form
    321,593.59/443,740.48 = 185,577.92/x
  3. Step 3: Cross multiply
    321,593.59x = 443,740.48 × 185,577.92
  4. Step 4: Simplify right side
    321,593.59x = 82,348,432,615.55
  5. Step 5: Solve for x
    x = 82,348,432,615.55/321,593.59
  6. Step 6: Final answer
    x = 256,063.66

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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.