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Finding the Fourth Proportional to 358,895.33, 495,310.45 and 268,093.65

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Solution

The fourth proportional to 358,895.33, 495,310.45 and 268,093.65 is: 369,995.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,895.33 : 495,310.45 = 268,093.65 : x
  2. Step 2: Convert to fraction form
    358,895.33/495,310.45 = 268,093.65/x
  3. Step 3: Cross multiply
    358,895.33x = 495,310.45 × 268,093.65
  4. Step 4: Simplify right side
    358,895.33x = 132,789,586,081.39
  5. Step 5: Solve for x
    x = 132,789,586,081.39/358,895.33
  6. Step 6: Final answer
    x = 369,995.30

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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.