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Finding the Fourth Proportional to 327,363.80, 491,045.70 and 117,008.60

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Solution

The fourth proportional to 327,363.80, 491,045.70 and 117,008.60 is: 175,512.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,363.80 : 491,045.70 = 117,008.60 : x
  2. Step 2: Convert to fraction form
    327,363.80/491,045.70 = 117,008.60/x
  3. Step 3: Cross multiply
    327,363.80x = 491,045.70 × 117,008.60
  4. Step 4: Simplify right side
    327,363.80x = 57,456,569,893.02
  5. Step 5: Solve for x
    x = 57,456,569,893.02/327,363.80
  6. Step 6: Final answer
    x = 175,512.90

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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.