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Finding the Fourth Proportional to 474,344.36, 654,589.88 and 259,481.86

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Solution

The fourth proportional to 474,344.36, 654,589.88 and 259,481.86 is: 358,082.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,344.36 : 654,589.88 = 259,481.86 : x
  2. Step 2: Convert to fraction form
    474,344.36/654,589.88 = 259,481.86/x
  3. Step 3: Cross multiply
    474,344.36x = 654,589.88 × 259,481.86
  4. Step 4: Simplify right side
    474,344.36x = 169,854,199,599.58
  5. Step 5: Solve for x
    x = 169,854,199,599.58/474,344.36
  6. Step 6: Final answer
    x = 358,082.05

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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.