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Finding the Fourth Proportional to 508,080.68, 762,122.36 and 171,357.87

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Solution

The fourth proportional to 508,080.68, 762,122.36 and 171,357.87 is: 257,037.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,080.68 : 762,122.36 = 171,357.87 : x
  2. Step 2: Convert to fraction form
    508,080.68/762,122.36 = 171,357.87/x
  3. Step 3: Cross multiply
    508,080.68x = 762,122.36 × 171,357.87
  4. Step 4: Simplify right side
    508,080.68x = 130,595,664,288.97
  5. Step 5: Solve for x
    x = 130,595,664,288.97/508,080.68
  6. Step 6: Final answer
    x = 257,037.26

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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.