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Finding the Fourth Proportional to 297,218.20, 445,892.10 and 97,504.60

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Solution

The fourth proportional to 297,218.20, 445,892.10 and 97,504.60 is: 146,278.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,218.20 : 445,892.10 = 97,504.60 : x
  2. Step 2: Convert to fraction form
    297,218.20/445,892.10 = 97,504.60/x
  3. Step 3: Cross multiply
    297,218.20x = 445,892.10 × 97,504.60
  4. Step 4: Simplify right side
    297,218.20x = 43,476,530,853.66
  5. Step 5: Solve for x
    x = 43,476,530,853.66/297,218.20
  6. Step 6: Final answer
    x = 146,278.16

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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.