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Finding the Fourth Proportional to 552,239.74, 827,145.42 and 456,383.54

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Solution

The fourth proportional to 552,239.74, 827,145.42 and 456,383.54 is: 683,571.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,239.74 : 827,145.42 = 456,383.54 : x
  2. Step 2: Convert to fraction form
    552,239.74/827,145.42 = 456,383.54/x
  3. Step 3: Cross multiply
    552,239.74x = 827,145.42 × 456,383.54
  4. Step 4: Simplify right side
    552,239.74x = 377,495,554,874.39
  5. Step 5: Solve for x
    x = 377,495,554,874.39/552,239.74
  6. Step 6: Final answer
    x = 683,571.88

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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.