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Finding the Fourth Proportional to 358,775.08, 495,107.31 and 197,626.39

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Solution

The fourth proportional to 358,775.08, 495,107.31 and 197,626.39 is: 272,723.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,775.08 : 495,107.31 = 197,626.39 : x
  2. Step 2: Convert to fraction form
    358,775.08/495,107.31 = 197,626.39/x
  3. Step 3: Cross multiply
    358,775.08x = 495,107.31 × 197,626.39
  4. Step 4: Simplify right side
    358,775.08x = 97,846,270,337.91
  5. Step 5: Solve for x
    x = 97,846,270,337.91/358,775.08
  6. Step 6: Final answer
    x = 272,723.15

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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.