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Finding the Fourth Proportional to 297,844.60, 446,723.70 and 87,460.60

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Solution

The fourth proportional to 297,844.60, 446,723.70 and 87,460.60 is: 131,178.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,844.60 : 446,723.70 = 87,460.60 : x
  2. Step 2: Convert to fraction form
    297,844.60/446,723.70 = 87,460.60/x
  3. Step 3: Cross multiply
    297,844.60x = 446,723.70 × 87,460.60
  4. Step 4: Simplify right side
    297,844.60x = 39,070,722,836.22
  5. Step 5: Solve for x
    x = 39,070,722,836.22/297,844.60
  6. Step 6: Final answer
    x = 131,178.21

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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.