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Finding the Fourth Proportional to 524,952.09, 787,553.28 and 169,966.21

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Solution

The fourth proportional to 524,952.09, 787,553.28 and 169,966.21 is: 254,989.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,952.09 : 787,553.28 = 169,966.21 : x
  2. Step 2: Convert to fraction form
    524,952.09/787,553.28 = 169,966.21/x
  3. Step 3: Cross multiply
    524,952.09x = 787,553.28 × 169,966.21
  4. Step 4: Simplify right side
    524,952.09x = 133,857,446,174.67
  5. Step 5: Solve for x
    x = 133,857,446,174.67/524,952.09
  6. Step 6: Final answer
    x = 254,989.83

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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.