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Finding the Fourth Proportional to 543,165.40, 814,845.30 and 227,654.20

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Solution

The fourth proportional to 543,165.40, 814,845.30 and 227,654.20 is: 341,522.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,165.40 : 814,845.30 = 227,654.20 : x
  2. Step 2: Convert to fraction form
    543,165.40/814,845.30 = 227,654.20/x
  3. Step 3: Cross multiply
    543,165.40x = 814,845.30 × 227,654.20
  4. Step 4: Simplify right side
    543,165.40x = 185,502,954,895.26
  5. Step 5: Solve for x
    x = 185,502,954,895.26/543,165.40
  6. Step 6: Final answer
    x = 341,522.04

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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.