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Finding the Fourth Proportional to 535,011.87, 802,520.88 and 135,653.52

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Solution

The fourth proportional to 535,011.87, 802,520.88 and 135,653.52 is: 203,481.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,011.87 : 802,520.88 = 135,653.52 : x
  2. Step 2: Convert to fraction form
    535,011.87/802,520.88 = 135,653.52/x
  3. Step 3: Cross multiply
    535,011.87x = 802,520.88 × 135,653.52
  4. Step 4: Simplify right side
    535,011.87x = 108,864,782,245.50
  5. Step 5: Solve for x
    x = 108,864,782,245.50/535,011.87
  6. Step 6: Final answer
    x = 203,481.06

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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.