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Finding the Fourth Proportional to 462,215.93, 693,323.90 and 125,256.56

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Solution

The fourth proportional to 462,215.93, 693,323.90 and 125,256.56 is: 187,884.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,215.93 : 693,323.90 = 125,256.56 : x
  2. Step 2: Convert to fraction form
    462,215.93/693,323.90 = 125,256.56/x
  3. Step 3: Cross multiply
    462,215.93x = 693,323.90 × 125,256.56
  4. Step 4: Simplify right side
    462,215.93x = 86,843,370,189.75
  5. Step 5: Solve for x
    x = 86,843,370,189.75/462,215.93
  6. Step 6: Final answer
    x = 187,884.85

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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.