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Finding the Fourth Proportional to 610,472.43, 915,584.04 and 231,262.56

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Solution

The fourth proportional to 610,472.43, 915,584.04 and 231,262.56 is: 346,846.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,472.43 : 915,584.04 = 231,262.56 : x
  2. Step 2: Convert to fraction form
    610,472.43/915,584.04 = 231,262.56/x
  3. Step 3: Cross multiply
    610,472.43x = 915,584.04 × 231,262.56
  4. Step 4: Simplify right side
    610,472.43x = 211,740,308,985.54
  5. Step 5: Solve for x
    x = 211,740,308,985.54/610,472.43
  6. Step 6: Final answer
    x = 346,846.64

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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.