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Finding the Fourth Proportional to 651,164.50, 981,183.59 and 535,428.34

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Solution

The fourth proportional to 651,164.50, 981,183.59 and 535,428.34 is: 806,790.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,164.50 : 981,183.59 = 535,428.34 : x
  2. Step 2: Convert to fraction form
    651,164.50/981,183.59 = 535,428.34/x
  3. Step 3: Cross multiply
    651,164.50x = 981,183.59 × 535,428.34
  4. Step 4: Simplify right side
    651,164.50x = 525,353,500,828.94
  5. Step 5: Solve for x
    x = 525,353,500,828.94/651,164.50
  6. Step 6: Final answer
    x = 806,790.76

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.