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Finding the Fourth Proportional to 513,700.92, 770,556.68 and 229,405.96

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Solution

The fourth proportional to 513,700.92, 770,556.68 and 229,405.96 is: 344,111.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,700.92 : 770,556.68 = 229,405.96 : x
  2. Step 2: Convert to fraction form
    513,700.92/770,556.68 = 229,405.96/x
  3. Step 3: Cross multiply
    513,700.92x = 770,556.68 × 229,405.96
  4. Step 4: Simplify right side
    513,700.92x = 176,770,292,409.91
  5. Step 5: Solve for x
    x = 176,770,292,409.91/513,700.92
  6. Step 6: Final answer
    x = 344,111.30

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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.