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Finding the Fourth Proportional to 379,066.78, 522,892.84 and 244,930.78

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Solution

The fourth proportional to 379,066.78, 522,892.84 and 244,930.78 is: 337,862.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,066.78 : 522,892.84 = 244,930.78 : x
  2. Step 2: Convert to fraction form
    379,066.78/522,892.84 = 244,930.78/x
  3. Step 3: Cross multiply
    379,066.78x = 522,892.84 × 244,930.78
  4. Step 4: Simplify right side
    379,066.78x = 128,072,551,157.62
  5. Step 5: Solve for x
    x = 128,072,551,157.62/379,066.78
  6. Step 6: Final answer
    x = 337,862.77

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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.