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Finding the Fourth Proportional to 358,180.28, 494,305.40 and 197,032.40

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Solution

The fourth proportional to 358,180.28, 494,305.40 and 197,032.40 is: 271,913.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,180.28 : 494,305.40 = 197,032.40 : x
  2. Step 2: Convert to fraction form
    358,180.28/494,305.40 = 197,032.40/x
  3. Step 3: Cross multiply
    358,180.28x = 494,305.40 × 197,032.40
  4. Step 4: Simplify right side
    358,180.28x = 97,394,179,294.96
  5. Step 5: Solve for x
    x = 97,394,179,294.96/358,180.28
  6. Step 6: Final answer
    x = 271,913.85

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1.5x scale

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.