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Finding the Fourth Proportional to 339,760.46, 468,870.36 and 186,814.28

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Solution

The fourth proportional to 339,760.46, 468,870.36 and 186,814.28 is: 257,804.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,760.46 : 468,870.36 = 186,814.28 : x
  2. Step 2: Convert to fraction form
    339,760.46/468,870.36 = 186,814.28/x
  3. Step 3: Cross multiply
    339,760.46x = 468,870.36 × 186,814.28
  4. Step 4: Simplify right side
    339,760.46x = 87,591,678,716.74
  5. Step 5: Solve for x
    x = 87,591,678,716.74/339,760.46
  6. Step 6: Final answer
    x = 257,804.22

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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.