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Finding the Fourth Proportional to 501,579.72, 751,973.76 and 248,685.84

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Solution

The fourth proportional to 501,579.72, 751,973.76 and 248,685.84 is: 372,832.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,579.72 : 751,973.76 = 248,685.84 : x
  2. Step 2: Convert to fraction form
    501,579.72/751,973.76 = 248,685.84/x
  3. Step 3: Cross multiply
    501,579.72x = 751,973.76 × 248,685.84
  4. Step 4: Simplify right side
    501,579.72x = 187,005,226,163.56
  5. Step 5: Solve for x
    x = 187,005,226,163.56/501,579.72
  6. Step 6: Final answer
    x = 372,832.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.