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Finding the Fourth Proportional to 373,133.92, 514,935.60 and 203,379.04

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Solution

The fourth proportional to 373,133.92, 514,935.60 and 203,379.04 is: 280,668.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,133.92 : 514,935.60 = 203,379.04 : x
  2. Step 2: Convert to fraction form
    373,133.92/514,935.60 = 203,379.04/x
  3. Step 3: Cross multiply
    373,133.92x = 514,935.60 × 203,379.04
  4. Step 4: Simplify right side
    373,133.92x = 104,727,107,989.82
  5. Step 5: Solve for x
    x = 104,727,107,989.82/373,133.92
  6. Step 6: Final answer
    x = 280,668.96

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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.