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Finding the Fourth Proportional to 373,087.60, 514,845.82 and 203,318.08

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Solution

The fourth proportional to 373,087.60, 514,845.82 and 203,318.08 is: 280,570.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,087.60 : 514,845.82 = 203,318.08 : x
  2. Step 2: Convert to fraction form
    373,087.60/514,845.82 = 203,318.08/x
  3. Step 3: Cross multiply
    373,087.60x = 514,845.82 × 203,318.08
  4. Step 4: Simplify right side
    373,087.60x = 104,677,463,618.43
  5. Step 5: Solve for x
    x = 104,677,463,618.43/373,087.60
  6. Step 6: Final answer
    x = 280,570.74

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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.