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Finding the Fourth Proportional to 551,425.33, 827,278.32 and 323,913.34

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Solution

The fourth proportional to 551,425.33, 827,278.32 and 323,913.34 is: 485,952.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,425.33 : 827,278.32 = 323,913.34 : x
  2. Step 2: Convert to fraction form
    551,425.33/827,278.32 = 323,913.34/x
  3. Step 3: Cross multiply
    551,425.33x = 827,278.32 × 323,913.34
  4. Step 4: Simplify right side
    551,425.33x = 267,966,487,023.66
  5. Step 5: Solve for x
    x = 267,966,487,023.66/551,425.33
  6. Step 6: Final answer
    x = 485,952.44

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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.