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Finding the Fourth Proportional to 593,372.91, 818,853.87 and 321,441.93

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Solution

The fourth proportional to 593,372.91, 818,853.87 and 321,441.93 is: 443,589.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,372.91 : 818,853.87 = 321,441.93 : x
  2. Step 2: Convert to fraction form
    593,372.91/818,853.87 = 321,441.93/x
  3. Step 3: Cross multiply
    593,372.91x = 818,853.87 × 321,441.93
  4. Step 4: Simplify right side
    593,372.91x = 263,213,965,290.07
  5. Step 5: Solve for x
    x = 263,213,965,290.07/593,372.91
  6. Step 6: Final answer
    x = 443,589.46

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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.