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Finding the Fourth Proportional to 592,982.54, 818,305.97 and 321,048.21

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Solution

The fourth proportional to 592,982.54, 818,305.97 and 321,048.21 is: 443,041.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,982.54 : 818,305.97 = 321,048.21 : x
  2. Step 2: Convert to fraction form
    592,982.54/818,305.97 = 321,048.21/x
  3. Step 3: Cross multiply
    592,982.54x = 818,305.97 × 321,048.21
  4. Step 4: Simplify right side
    592,982.54x = 262,715,665,295.57
  5. Step 5: Solve for x
    x = 262,715,665,295.57/592,982.54
  6. Step 6: Final answer
    x = 443,041.15

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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.