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Finding the Fourth Proportional to 524,849.62, 787,399.37 and 169,863.64

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Solution

The fourth proportional to 524,849.62, 787,399.37 and 169,863.64 is: 254,835.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,849.62 : 787,399.37 = 169,863.64 : x
  2. Step 2: Convert to fraction form
    524,849.62/787,399.37 = 169,863.64/x
  3. Step 3: Cross multiply
    524,849.62x = 787,399.37 × 169,863.64
  4. Step 4: Simplify right side
    524,849.62x = 133,750,525,090.41
  5. Step 5: Solve for x
    x = 133,750,525,090.41/524,849.62
  6. Step 6: Final answer
    x = 254,835.90

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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.