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Finding the Fourth Proportional to 334,574.84, 461,653.70 and 189,379.92

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Solution

The fourth proportional to 334,574.84, 461,653.70 and 189,379.92 is: 261,310.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,574.84 : 461,653.70 = 189,379.92 : x
  2. Step 2: Convert to fraction form
    334,574.84/461,653.70 = 189,379.92/x
  3. Step 3: Cross multiply
    334,574.84x = 461,653.70 × 189,379.92
  4. Step 4: Simplify right side
    334,574.84x = 87,427,940,773.70
  5. Step 5: Solve for x
    x = 87,427,940,773.70/334,574.84
  6. Step 6: Final answer
    x = 261,310.57

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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.