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Finding the Fourth Proportional to 365,132.19, 503,872.56 and 199,553.61

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Solution

The fourth proportional to 365,132.19, 503,872.56 and 199,553.61 is: 275,378.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,132.19 : 503,872.56 = 199,553.61 : x
  2. Step 2: Convert to fraction form
    365,132.19/503,872.56 = 199,553.61/x
  3. Step 3: Cross multiply
    365,132.19x = 503,872.56 × 199,553.61
  4. Step 4: Simplify right side
    365,132.19x = 100,549,588,327.94
  5. Step 5: Solve for x
    x = 100,549,588,327.94/365,132.19
  6. Step 6: Final answer
    x = 275,378.59

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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.