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Finding the Fourth Proportional to 376,798.56, 519,984.24 and 207,028.32

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Solution

The fourth proportional to 376,798.56, 519,984.24 and 207,028.32 is: 285,700.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,798.56 : 519,984.24 = 207,028.32 : x
  2. Step 2: Convert to fraction form
    376,798.56/519,984.24 = 207,028.32/x
  3. Step 3: Cross multiply
    376,798.56x = 519,984.24 × 207,028.32
  4. Step 4: Simplify right side
    376,798.56x = 107,651,463,633.68
  5. Step 5: Solve for x
    x = 107,651,463,633.68/376,798.56
  6. Step 6: Final answer
    x = 285,700.31

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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.