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Finding the Fourth Proportional to 538,800.33, 806,977.11 and 417,886.62

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Solution

The fourth proportional to 538,800.33, 806,977.11 and 417,886.62 is: 625,881.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,800.33 : 806,977.11 = 417,886.62 : x
  2. Step 2: Convert to fraction form
    538,800.33/806,977.11 = 417,886.62/x
  3. Step 3: Cross multiply
    538,800.33x = 806,977.11 × 417,886.62
  4. Step 4: Simplify right side
    538,800.33x = 337,224,936,915.27
  5. Step 5: Solve for x
    x = 337,224,936,915.27/538,800.33
  6. Step 6: Final answer
    x = 625,881.09

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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.