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Finding the Fourth Proportional to 358,168.10, 494,273.14 and 197,035.40

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Solution

The fourth proportional to 358,168.10, 494,273.14 and 197,035.40 is: 271,909.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,168.10 : 494,273.14 = 197,035.40 : x
  2. Step 2: Convert to fraction form
    358,168.10/494,273.14 = 197,035.40/x
  3. Step 3: Cross multiply
    358,168.10x = 494,273.14 × 197,035.40
  4. Step 4: Simplify right side
    358,168.10x = 97,389,306,592.25
  5. Step 5: Solve for x
    x = 97,389,306,592.25/358,168.10
  6. Step 6: Final answer
    x = 271,909.50

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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.