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Finding the Fourth Proportional to 408,708.72, 613,056 and 183,910.08

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Solution

The fourth proportional to 408,708.72, 613,056 and 183,910.08 is: 275,861.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,708.72 : 613,056 = 183,910.08 : x
  2. Step 2: Convert to fraction form
    408,708.72/613,056 = 183,910.08/x
  3. Step 3: Cross multiply
    408,708.72x = 613,056 × 183,910.08
  4. Step 4: Simplify right side
    408,708.72x = 112,747,178,004.48
  5. Step 5: Solve for x
    x = 112,747,178,004.48/408,708.72
  6. Step 6: Final answer
    x = 275,861.93

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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.