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Finding the Fourth Proportional to 592,872.48, 818,161.02 and 320,940.90

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Solution

The fourth proportional to 592,872.48, 818,161.02 and 320,940.90 is: 442,896.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,872.48 : 818,161.02 = 320,940.90 : x
  2. Step 2: Convert to fraction form
    592,872.48/818,161.02 = 320,940.90/x
  3. Step 3: Cross multiply
    592,872.48x = 818,161.02 × 320,940.90
  4. Step 4: Simplify right side
    592,872.48x = 262,581,334,103.72
  5. Step 5: Solve for x
    x = 262,581,334,103.72/592,872.48
  6. Step 6: Final answer
    x = 442,896.82

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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.