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Finding the Fourth Proportional to 593,143.14, 818,537.89 and 321,213.14

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Solution

The fourth proportional to 593,143.14, 818,537.89 and 321,213.14 is: 443,274.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,143.14 : 818,537.89 = 321,213.14 : x
  2. Step 2: Convert to fraction form
    593,143.14/818,537.89 = 321,213.14/x
  3. Step 3: Cross multiply
    593,143.14x = 818,537.89 × 321,213.14
  4. Step 4: Simplify right side
    593,143.14x = 262,925,125,855.88
  5. Step 5: Solve for x
    x = 262,925,125,855.88/593,143.14
  6. Step 6: Final answer
    x = 443,274.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.