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Finding the Fourth Proportional to 392,847.57, 588,557.75 and 303,034.77

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Solution

The fourth proportional to 392,847.57, 588,557.75 and 303,034.77 is: 454,001.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,847.57 : 588,557.75 = 303,034.77 : x
  2. Step 2: Convert to fraction form
    392,847.57/588,557.75 = 303,034.77/x
  3. Step 3: Cross multiply
    392,847.57x = 588,557.75 × 303,034.77
  4. Step 4: Simplify right side
    392,847.57x = 178,353,460,887.79
  5. Step 5: Solve for x
    x = 178,353,460,887.79/392,847.57
  6. Step 6: Final answer
    x = 454,001.69

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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.