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Finding the Fourth Proportional to 524,882.15, 787,448.16 and 169,896.14

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Solution

The fourth proportional to 524,882.15, 787,448.16 and 169,896.14 is: 254,884.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,882.15 : 787,448.16 = 169,896.14 : x
  2. Step 2: Convert to fraction form
    524,882.15/787,448.16 = 169,896.14/x
  3. Step 3: Cross multiply
    524,882.15x = 787,448.16 × 169,896.14
  4. Step 4: Simplify right side
    524,882.15x = 133,784,398,896.86
  5. Step 5: Solve for x
    x = 133,784,398,896.86/524,882.15
  6. Step 6: Final answer
    x = 254,884.64

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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.