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Finding the Fourth Proportional to 360,553.38, 497,579.13 and 199,408.38

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Solution

The fourth proportional to 360,553.38, 497,579.13 and 199,408.38 is: 275,192.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,553.38 : 497,579.13 = 199,408.38 : x
  2. Step 2: Convert to fraction form
    360,553.38/497,579.13 = 199,408.38/x
  3. Step 3: Cross multiply
    360,553.38x = 497,579.13 × 199,408.38
  4. Step 4: Simplify right side
    360,553.38x = 99,221,448,235.11
  5. Step 5: Solve for x
    x = 99,221,448,235.11/360,553.38
  6. Step 6: Final answer
    x = 275,192.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.