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Finding the Fourth Proportional to 589,573.70, 813,481.70 and 375,029

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Solution

The fourth proportional to 589,573.70, 813,481.70 and 375,029 is: 517,457.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,573.70 : 813,481.70 = 375,029 : x
  2. Step 2: Convert to fraction form
    589,573.70/813,481.70 = 375,029/x
  3. Step 3: Cross multiply
    589,573.70x = 813,481.70 × 375,029
  4. Step 4: Simplify right side
    589,573.70x = 305,079,228,469.30
  5. Step 5: Solve for x
    x = 305,079,228,469.30/589,573.70
  6. Step 6: Final answer
    x = 517,457.32

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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.