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Finding the Fourth Proportional to 339,696.68, 468,787.28 and 186,741.32

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Solution

The fourth proportional to 339,696.68, 468,787.28 and 186,741.32 is: 257,706.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,696.68 : 468,787.28 = 186,741.32 : x
  2. Step 2: Convert to fraction form
    339,696.68/468,787.28 = 186,741.32/x
  3. Step 3: Cross multiply
    339,696.68x = 468,787.28 × 186,741.32
  4. Step 4: Simplify right side
    339,696.68x = 87,541,952,188.77
  5. Step 5: Solve for x
    x = 87,541,952,188.77/339,696.68
  6. Step 6: Final answer
    x = 257,706.24

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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.