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Finding the Fourth Proportional to 297,996.64, 446,900.04 and 98,279.68

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Solution

The fourth proportional to 297,996.64, 446,900.04 and 98,279.68 is: 147,388.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,996.64 : 446,900.04 = 98,279.68 : x
  2. Step 2: Convert to fraction form
    297,996.64/446,900.04 = 98,279.68/x
  3. Step 3: Cross multiply
    297,996.64x = 446,900.04 × 98,279.68
  4. Step 4: Simplify right side
    297,996.64x = 43,921,192,923.19
  5. Step 5: Solve for x
    x = 43,921,192,923.19/297,996.64
  6. Step 6: Final answer
    x = 147,388.22

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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.