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Finding the Fourth Proportional to 523,340.56, 784,512.60 and 168,105.52

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Solution

The fourth proportional to 523,340.56, 784,512.60 and 168,105.52 is: 251,998.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,340.56 : 784,512.60 = 168,105.52 : x
  2. Step 2: Convert to fraction form
    523,340.56/784,512.60 = 168,105.52/x
  3. Step 3: Cross multiply
    523,340.56x = 784,512.60 × 168,105.52
  4. Step 4: Simplify right side
    523,340.56x = 131,880,898,569.55
  5. Step 5: Solve for x
    x = 131,880,898,569.55/523,340.56
  6. Step 6: Final answer
    x = 251,998.24

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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.