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Finding the Fourth Proportional to 479,166.64, 718,139.42 and 254,634.64

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Solution

The fourth proportional to 479,166.64, 718,139.42 and 254,634.64 is: 381,627.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,166.64 : 718,139.42 = 254,634.64 : x
  2. Step 2: Convert to fraction form
    479,166.64/718,139.42 = 254,634.64/x
  3. Step 3: Cross multiply
    479,166.64x = 718,139.42 × 254,634.64
  4. Step 4: Simplify right side
    479,166.64x = 182,863,170,567.87
  5. Step 5: Solve for x
    x = 182,863,170,567.87/479,166.64
  6. Step 6: Final answer
    x = 381,627.51

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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.