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Finding the Fourth Proportional to 787,959.36, 1,182,375.36 and 488,600.64

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Solution

The fourth proportional to 787,959.36, 1,182,375.36 and 488,600.64 is: 733,171.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,959.36 : 1,182,375.36 = 488,600.64 : x
  2. Step 2: Convert to fraction form
    787,959.36/1,182,375.36 = 488,600.64/x
  3. Step 3: Cross multiply
    787,959.36x = 1,182,375.36 × 488,600.64
  4. Step 4: Simplify right side
    787,959.36x = 577,709,357,616.23
  5. Step 5: Solve for x
    x = 577,709,357,616.23/787,959.36
  6. Step 6: Final answer
    x = 733,171.51

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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.