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Finding the Fourth Proportional to 452,393.68, 678,584.76 and 110,840.56

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Solution

The fourth proportional to 452,393.68, 678,584.76 and 110,840.56 is: 166,259.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,393.68 : 678,584.76 = 110,840.56 : x
  2. Step 2: Convert to fraction form
    452,393.68/678,584.76 = 110,840.56/x
  3. Step 3: Cross multiply
    452,393.68x = 678,584.76 × 110,840.56
  4. Step 4: Simplify right side
    452,393.68x = 75,214,714,805.87
  5. Step 5: Solve for x
    x = 75,214,714,805.87/452,393.68
  6. Step 6: Final answer
    x = 166,259.43

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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.