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Finding the Fourth Proportional to 592,958.85, 818,282.71 and 321,029.09

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Solution

The fourth proportional to 592,958.85, 818,282.71 and 321,029.09 is: 443,019.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,958.85 : 818,282.71 = 321,029.09 : x
  2. Step 2: Convert to fraction form
    592,958.85/818,282.71 = 321,029.09/x
  3. Step 3: Cross multiply
    592,958.85x = 818,282.71 × 321,029.09
  4. Step 4: Simplify right side
    592,958.85x = 262,692,553,754.03
  5. Step 5: Solve for x
    x = 262,692,553,754.03/592,958.85
  6. Step 6: Final answer
    x = 443,019.87

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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.