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Finding the Fourth Proportional to 376,425.14, 519,460.22 and 206,658.05

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Solution

The fourth proportional to 376,425.14, 519,460.22 and 206,658.05 is: 285,184.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,425.14 : 519,460.22 = 206,658.05 : x
  2. Step 2: Convert to fraction form
    376,425.14/519,460.22 = 206,658.05/x
  3. Step 3: Cross multiply
    376,425.14x = 519,460.22 × 206,658.05
  4. Step 4: Simplify right side
    376,425.14x = 107,350,634,037.12
  5. Step 5: Solve for x
    x = 107,350,634,037.12/376,425.14
  6. Step 6: Final answer
    x = 285,184.55

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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.