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Finding the Fourth Proportional to 483,998.46, 725,523.81 and 270,870.45

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Solution

The fourth proportional to 483,998.46, 725,523.81 and 270,870.45 is: 406,040.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,998.46 : 725,523.81 = 270,870.45 : x
  2. Step 2: Convert to fraction form
    483,998.46/725,523.81 = 270,870.45/x
  3. Step 3: Cross multiply
    483,998.46x = 725,523.81 × 270,870.45
  4. Step 4: Simplify right side
    483,998.46x = 196,522,960,900.42
  5. Step 5: Solve for x
    x = 196,522,960,900.42/483,998.46
  6. Step 6: Final answer
    x = 406,040.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.