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Finding the Fourth Proportional to 467,344.64, 644,538.24 and 395,099.84

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Solution

The fourth proportional to 467,344.64, 644,538.24 and 395,099.84 is: 544,901.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,344.64 : 644,538.24 = 395,099.84 : x
  2. Step 2: Convert to fraction form
    467,344.64/644,538.24 = 395,099.84/x
  3. Step 3: Cross multiply
    467,344.64x = 644,538.24 × 395,099.84
  4. Step 4: Simplify right side
    467,344.64x = 254,656,955,497.88
  5. Step 5: Solve for x
    x = 254,656,955,497.88/467,344.64
  6. Step 6: Final answer
    x = 544,901.84

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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.