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Finding the Fourth Proportional to 451,959.68, 677,100.72 and 323,611.10

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Solution

The fourth proportional to 451,959.68, 677,100.72 and 323,611.10 is: 484,816.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,959.68 : 677,100.72 = 323,611.10 : x
  2. Step 2: Convert to fraction form
    451,959.68/677,100.72 = 323,611.10/x
  3. Step 3: Cross multiply
    451,959.68x = 677,100.72 × 323,611.10
  4. Step 4: Simplify right side
    451,959.68x = 219,117,308,809.99
  5. Step 5: Solve for x
    x = 219,117,308,809.99/451,959.68
  6. Step 6: Final answer
    x = 484,816.05

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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.