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Finding the Fourth Proportional to 376,757.80, 519,923.70 and 204,674.40

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Solution

The fourth proportional to 376,757.80, 519,923.70 and 204,674.40 is: 282,449.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,757.80 : 519,923.70 = 204,674.40 : x
  2. Step 2: Convert to fraction form
    376,757.80/519,923.70 = 204,674.40/x
  3. Step 3: Cross multiply
    376,757.80x = 519,923.70 × 204,674.40
  4. Step 4: Simplify right side
    376,757.80x = 106,415,071,343.28
  5. Step 5: Solve for x
    x = 106,415,071,343.28/376,757.80
  6. Step 6: Final answer
    x = 282,449.55

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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.