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Finding the Fourth Proportional to 358,982.15, 495,398.63 and 197,843.04

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Solution

The fourth proportional to 358,982.15, 495,398.63 and 197,843.04 is: 273,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,982.15 : 495,398.63 = 197,843.04 : x
  2. Step 2: Convert to fraction form
    358,982.15/495,398.63 = 197,843.04/x
  3. Step 3: Cross multiply
    358,982.15x = 495,398.63 × 197,843.04
  4. Step 4: Simplify right side
    358,982.15x = 98,011,171,465.64
  5. Step 5: Solve for x
    x = 98,011,171,465.64/358,982.15
  6. Step 6: Final answer
    x = 273,025.20

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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.