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Finding the Fourth Proportional to 376,223.49, 519,203.39 and 206,463.69

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Solution

The fourth proportional to 376,223.49, 519,203.39 and 206,463.69 is: 284,928.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,223.49 : 519,203.39 = 206,463.69 : x
  2. Step 2: Convert to fraction form
    376,223.49/519,203.39 = 206,463.69/x
  3. Step 3: Cross multiply
    376,223.49x = 519,203.39 × 206,463.69
  4. Step 4: Simplify right side
    376,223.49x = 107,196,646,727.59
  5. Step 5: Solve for x
    x = 107,196,646,727.59/376,223.49
  6. Step 6: Final answer
    x = 284,928.11

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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.