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Finding the Fourth Proportional to 593,056.44, 818,419.41 and 321,127.70

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Solution

The fourth proportional to 593,056.44, 818,419.41 and 321,127.70 is: 443,157.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,056.44 : 818,419.41 = 321,127.70 : x
  2. Step 2: Convert to fraction form
    593,056.44/818,419.41 = 321,127.70/x
  3. Step 3: Cross multiply
    593,056.44x = 818,419.41 × 321,127.70
  4. Step 4: Simplify right side
    593,056.44x = 262,817,138,676.56
  5. Step 5: Solve for x
    x = 262,817,138,676.56/593,056.44
  6. Step 6: Final answer
    x = 443,157.04

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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.