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Finding the Fourth Proportional to 364,771, 547,158.93 and 115,453

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Solution

The fourth proportional to 364,771, 547,158.93 and 115,453 is: 173,180.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,771 : 547,158.93 = 115,453 : x
  2. Step 2: Convert to fraction form
    364,771/547,158.93 = 115,453/x
  3. Step 3: Cross multiply
    364,771x = 547,158.93 × 115,453
  4. Step 4: Simplify right side
    364,771x = 63,171,139,945.29
  5. Step 5: Solve for x
    x = 63,171,139,945.29/364,771
  6. Step 6: Final answer
    x = 173,180.27

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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.