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Finding the Fourth Proportional to 468,615.07, 646,687.86 and 253,754.47

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Solution

The fourth proportional to 468,615.07, 646,687.86 and 253,754.47 is: 350,180.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,615.07 : 646,687.86 = 253,754.47 : x
  2. Step 2: Convert to fraction form
    468,615.07/646,687.86 = 253,754.47/x
  3. Step 3: Cross multiply
    468,615.07x = 646,687.86 × 253,754.47
  4. Step 4: Simplify right side
    468,615.07x = 164,099,935,169.73
  5. Step 5: Solve for x
    x = 164,099,935,169.73/468,615.07
  6. Step 6: Final answer
    x = 350,180.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.