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Finding the Fourth Proportional to 376,316.01, 519,314.49 and 206,546.49

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Solution

The fourth proportional to 376,316.01, 519,314.49 and 206,546.49 is: 285,033.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,316.01 : 519,314.49 = 206,546.49 : x
  2. Step 2: Convert to fraction form
    376,316.01/519,314.49 = 206,546.49/x
  3. Step 3: Cross multiply
    376,316.01x = 519,314.49 × 206,546.49
  4. Step 4: Simplify right side
    376,316.01x = 107,262,585,115.64
  5. Step 5: Solve for x
    x = 107,262,585,115.64/376,316.01
  6. Step 6: Final answer
    x = 285,033.28

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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.