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Finding the Fourth Proportional to 376,246.92, 519,072.94 and 215,015.47

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Solution

The fourth proportional to 376,246.92, 519,072.94 and 215,015.47 is: 296,636.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,246.92 : 519,072.94 = 215,015.47 : x
  2. Step 2: Convert to fraction form
    376,246.92/519,072.94 = 215,015.47/x
  3. Step 3: Cross multiply
    376,246.92x = 519,072.94 × 215,015.47
  4. Step 4: Simplify right side
    376,246.92x = 111,608,712,158.38
  5. Step 5: Solve for x
    x = 111,608,712,158.38/376,246.92
  6. Step 6: Final answer
    x = 296,636.88

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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.