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Finding the Fourth Proportional to 608,942.60, 914,234.70 and 356,481.80

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Solution

The fourth proportional to 608,942.60, 914,234.70 and 356,481.80 is: 535,203.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,942.60 : 914,234.70 = 356,481.80 : x
  2. Step 2: Convert to fraction form
    608,942.60/914,234.70 = 356,481.80/x
  3. Step 3: Cross multiply
    608,942.60x = 914,234.70 × 356,481.80
  4. Step 4: Simplify right side
    608,942.60x = 325,908,031,478.46
  5. Step 5: Solve for x
    x = 325,908,031,478.46/608,942.60
  6. Step 6: Final answer
    x = 535,203.21

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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.