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Finding the Fourth Proportional to 535,008.87, 802,516.37 and 135,650.52

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Solution

The fourth proportional to 535,008.87, 802,516.37 and 135,650.52 is: 203,476.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,008.87 : 802,516.37 = 135,650.52 : x
  2. Step 2: Convert to fraction form
    535,008.87/802,516.37 = 135,650.52/x
  3. Step 3: Cross multiply
    535,008.87x = 802,516.37 × 135,650.52
  4. Step 4: Simplify right side
    535,008.87x = 108,861,762,220.76
  5. Step 5: Solve for x
    x = 108,861,762,220.76/535,008.87
  6. Step 6: Final answer
    x = 203,476.56

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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.