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Finding the Fourth Proportional to 376,673.47, 519,812.97 and 206,907.59

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Solution

The fourth proportional to 376,673.47, 519,812.97 and 206,907.59 is: 285,534.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,673.47 : 519,812.97 = 206,907.59 : x
  2. Step 2: Convert to fraction form
    376,673.47/519,812.97 = 206,907.59/x
  3. Step 3: Cross multiply
    376,673.47x = 519,812.97 × 206,907.59
  4. Step 4: Simplify right side
    376,673.47x = 107,553,248,873.44
  5. Step 5: Solve for x
    x = 107,553,248,873.44/376,673.47
  6. Step 6: Final answer
    x = 285,534.44

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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.