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Finding the Fourth Proportional to 884,353, 1,220,415.78 and 481,953.64

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Solution

The fourth proportional to 884,353, 1,220,415.78 and 481,953.64 is: 665,100.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,353 : 1,220,415.78 = 481,953.64 : x
  2. Step 2: Convert to fraction form
    884,353/1,220,415.78 = 481,953.64/x
  3. Step 3: Cross multiply
    884,353x = 1,220,415.78 × 481,953.64
  4. Step 4: Simplify right side
    884,353x = 588,183,827,484.44
  5. Step 5: Solve for x
    x = 588,183,827,484.44/884,353
  6. Step 6: Final answer
    x = 665,100.73

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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.