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Finding the Fourth Proportional to 365,131.19, 503,871.18 and 199,552.61

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Solution

The fourth proportional to 365,131.19, 503,871.18 and 199,552.61 is: 275,377.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,131.19 : 503,871.18 = 199,552.61 : x
  2. Step 2: Convert to fraction form
    365,131.19/503,871.18 = 199,552.61/x
  3. Step 3: Cross multiply
    365,131.19x = 503,871.18 × 199,552.61
  4. Step 4: Simplify right side
    365,131.19x = 100,548,810,706.62
  5. Step 5: Solve for x
    x = 100,548,810,706.62/365,131.19
  6. Step 6: Final answer
    x = 275,377.21

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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.