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Finding the Fourth Proportional to 373,087.56, 514,859.94 and 203,321.24

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Solution

The fourth proportional to 373,087.56, 514,859.94 and 203,321.24 is: 280,582.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,087.56 : 514,859.94 = 203,321.24 : x
  2. Step 2: Convert to fraction form
    373,087.56/514,859.94 = 203,321.24/x
  3. Step 3: Cross multiply
    373,087.56x = 514,859.94 × 203,321.24
  4. Step 4: Simplify right side
    373,087.56x = 104,681,961,427.13
  5. Step 5: Solve for x
    x = 104,681,961,427.13/373,087.56
  6. Step 6: Final answer
    x = 280,582.82

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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.