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Finding the Fourth Proportional to 358,972.62, 495,385.47 and 197,833.41

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Solution

The fourth proportional to 358,972.62, 495,385.47 and 197,833.41 is: 273,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,972.62 : 495,385.47 = 197,833.41 : x
  2. Step 2: Convert to fraction form
    358,972.62/495,385.47 = 197,833.41/x
  3. Step 3: Cross multiply
    358,972.62x = 495,385.47 × 197,833.41
  4. Step 4: Simplify right side
    358,972.62x = 98,003,796,794.55
  5. Step 5: Solve for x
    x = 98,003,796,794.55/358,972.62
  6. Step 6: Final answer
    x = 273,011.90

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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.