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Finding the Fourth Proportional to 369,093.74, 509,349.34 and 199,327.85

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Solution

The fourth proportional to 369,093.74, 509,349.34 and 199,327.85 is: 275,072.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,093.74 : 509,349.34 = 199,327.85 : x
  2. Step 2: Convert to fraction form
    369,093.74/509,349.34 = 199,327.85/x
  3. Step 3: Cross multiply
    369,093.74x = 509,349.34 × 199,327.85
  4. Step 4: Simplify right side
    369,093.74x = 101,527,508,841.12
  5. Step 5: Solve for x
    x = 101,527,508,841.12/369,093.74
  6. Step 6: Final answer
    x = 275,072.42

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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.