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Finding the Fourth Proportional to 358,980.27, 495,396.05 and 197,841.17

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Solution

The fourth proportional to 358,980.27, 495,396.05 and 197,841.17 is: 273,022.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,980.27 : 495,396.05 = 197,841.17 : x
  2. Step 2: Convert to fraction form
    358,980.27/495,396.05 = 197,841.17/x
  3. Step 3: Cross multiply
    358,980.27x = 495,396.05 × 197,841.17
  4. Step 4: Simplify right side
    358,980.27x = 98,009,730,679.19
  5. Step 5: Solve for x
    x = 98,009,730,679.19/358,980.27
  6. Step 6: Final answer
    x = 273,022.61

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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.