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Finding the Fourth Proportional to 483,009.92, 666,633.12 and 281,805.44

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Solution

The fourth proportional to 483,009.92, 666,633.12 and 281,805.44 is: 388,937.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,009.92 : 666,633.12 = 281,805.44 : x
  2. Step 2: Convert to fraction form
    483,009.92/666,633.12 = 281,805.44/x
  3. Step 3: Cross multiply
    483,009.92x = 666,633.12 × 281,805.44
  4. Step 4: Simplify right side
    483,009.92x = 187,860,839,700.17
  5. Step 5: Solve for x
    x = 187,860,839,700.17/483,009.92
  6. Step 6: Final answer
    x = 388,937.85

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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.