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Finding the Fourth Proportional to 617,443.62, 852,043.23 and 345,546.06

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Solution

The fourth proportional to 617,443.62, 852,043.23 and 345,546.06 is: 476,837.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,443.62 : 852,043.23 = 345,546.06 : x
  2. Step 2: Convert to fraction form
    617,443.62/852,043.23 = 345,546.06/x
  3. Step 3: Cross multiply
    617,443.62x = 852,043.23 × 345,546.06
  4. Step 4: Simplify right side
    617,443.62x = 294,420,181,076.17
  5. Step 5: Solve for x
    x = 294,420,181,076.17/617,443.62
  6. Step 6: Final answer
    x = 476,837.35

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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.