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Finding the Fourth Proportional to 483,217.81, 666,993.56 and 340,395.77

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Solution

The fourth proportional to 483,217.81, 666,993.56 and 340,395.77 is: 469,853.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,217.81 : 666,993.56 = 340,395.77 : x
  2. Step 2: Convert to fraction form
    483,217.81/666,993.56 = 340,395.77/x
  3. Step 3: Cross multiply
    483,217.81x = 666,993.56 × 340,395.77
  4. Step 4: Simplify right side
    483,217.81x = 227,041,786,406.75
  5. Step 5: Solve for x
    x = 227,041,786,406.75/483,217.81
  6. Step 6: Final answer
    x = 469,853.93

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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.