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Finding the Fourth Proportional to 592,960.14, 818,278.98 and 321,020.82

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Solution

The fourth proportional to 592,960.14, 818,278.98 and 321,020.82 is: 443,005.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,960.14 : 818,278.98 = 321,020.82 : x
  2. Step 2: Convert to fraction form
    592,960.14/818,278.98 = 321,020.82/x
  3. Step 3: Cross multiply
    592,960.14x = 818,278.98 × 321,020.82
  4. Step 4: Simplify right side
    592,960.14x = 262,684,589,148.36
  5. Step 5: Solve for x
    x = 262,684,589,148.36/592,960.14
  6. Step 6: Final answer
    x = 443,005.48

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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.