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Finding the Fourth Proportional to 510,889.68, 765,546.12 and 323,507.52

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Solution

The fourth proportional to 510,889.68, 765,546.12 and 323,507.52 is: 484,762.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,889.68 : 765,546.12 = 323,507.52 : x
  2. Step 2: Convert to fraction form
    510,889.68/765,546.12 = 323,507.52/x
  3. Step 3: Cross multiply
    510,889.68x = 765,546.12 × 323,507.52
  4. Step 4: Simplify right side
    510,889.68x = 247,659,926,726.82
  5. Step 5: Solve for x
    x = 247,659,926,726.82/510,889.68
  6. Step 6: Final answer
    x = 484,762.05

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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.