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Finding the Fourth Proportional to 358,908.96, 495,329.27 and 268,107.29

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Solution

The fourth proportional to 358,908.96, 495,329.27 and 268,107.29 is: 370,014.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,908.96 : 495,329.27 = 268,107.29 : x
  2. Step 2: Convert to fraction form
    358,908.96/495,329.27 = 268,107.29/x
  3. Step 3: Cross multiply
    358,908.96x = 495,329.27 × 268,107.29
  4. Step 4: Simplify right side
    358,908.96x = 132,801,388,237.38
  5. Step 5: Solve for x
    x = 132,801,388,237.38/358,908.96
  6. Step 6: Final answer
    x = 370,014.13

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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.