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Finding the Fourth Proportional to 329,892.90, 494,774.55 and 108,276.90

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Solution

The fourth proportional to 329,892.90, 494,774.55 and 108,276.90 is: 162,394.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,892.90 : 494,774.55 = 108,276.90 : x
  2. Step 2: Convert to fraction form
    329,892.90/494,774.55 = 108,276.90/x
  3. Step 3: Cross multiply
    329,892.90x = 494,774.55 × 108,276.90
  4. Step 4: Simplify right side
    329,892.90x = 53,572,654,472.90
  5. Step 5: Solve for x
    x = 53,572,654,472.90/329,892.90
  6. Step 6: Final answer
    x = 162,394.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.