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Finding the Fourth Proportional to 358,992.33, 495,387.15 and 197,838.38

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Solution

The fourth proportional to 358,992.33, 495,387.15 and 197,838.38 is: 273,004.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,992.33 : 495,387.15 = 197,838.38 : x
  2. Step 2: Convert to fraction form
    358,992.33/495,387.15 = 197,838.38/x
  3. Step 3: Cross multiply
    358,992.33x = 495,387.15 × 197,838.38
  4. Step 4: Simplify right side
    358,992.33x = 98,006,588,751.88
  5. Step 5: Solve for x
    x = 98,006,588,751.88/358,992.33
  6. Step 6: Final answer
    x = 273,004.69

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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.