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Finding the Fourth Proportional to 474,138.96, 654,311.48 and 259,279.03

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Solution

The fourth proportional to 474,138.96, 654,311.48 and 259,279.03 is: 357,804.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,138.96 : 654,311.48 = 259,279.03 : x
  2. Step 2: Convert to fraction form
    474,138.96/654,311.48 = 259,279.03/x
  3. Step 3: Cross multiply
    474,138.96x = 654,311.48 × 259,279.03
  4. Step 4: Simplify right side
    474,138.96x = 169,649,244,864.68
  5. Step 5: Solve for x
    x = 169,649,244,864.68/474,138.96
  6. Step 6: Final answer
    x = 357,804.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.