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Finding the Fourth Proportional to 504,418.24, 756,800.16 and 172,227.52

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Solution

The fourth proportional to 504,418.24, 756,800.16 and 172,227.52 is: 258,400.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,418.24 : 756,800.16 = 172,227.52 : x
  2. Step 2: Convert to fraction form
    504,418.24/756,800.16 = 172,227.52/x
  3. Step 3: Cross multiply
    504,418.24x = 756,800.16 × 172,227.52
  4. Step 4: Simplify right side
    504,418.24x = 130,341,814,692.40
  5. Step 5: Solve for x
    x = 130,341,814,692.40/504,418.24
  6. Step 6: Final answer
    x = 258,400.28

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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.