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Finding the Fourth Proportional to 593,102.02, 818,479.31 and 321,169.91

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Solution

The fourth proportional to 593,102.02, 818,479.31 and 321,169.91 is: 443,213.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,102.02 : 818,479.31 = 321,169.91 : x
  2. Step 2: Convert to fraction form
    593,102.02/818,479.31 = 321,169.91/x
  3. Step 3: Cross multiply
    593,102.02x = 818,479.31 × 321,169.91
  4. Step 4: Simplify right side
    593,102.02x = 262,870,926,329.56
  5. Step 5: Solve for x
    x = 262,870,926,329.56/593,102.02
  6. Step 6: Final answer
    x = 443,213.68

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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.