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Finding the Fourth Proportional to 535,872.54, 803,880.09 and 283,163.34

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Solution

The fourth proportional to 535,872.54, 803,880.09 and 283,163.34 is: 424,782.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,872.54 : 803,880.09 = 283,163.34 : x
  2. Step 2: Convert to fraction form
    535,872.54/803,880.09 = 283,163.34/x
  3. Step 3: Cross multiply
    535,872.54x = 803,880.09 × 283,163.34
  4. Step 4: Simplify right side
    535,872.54x = 227,629,371,243.90
  5. Step 5: Solve for x
    x = 227,629,371,243.90/535,872.54
  6. Step 6: Final answer
    x = 424,782.68

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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.