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Finding the Fourth Proportional to 617,568.80, 852,260.24 and 345,634.40

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Solution

The fourth proportional to 617,568.80, 852,260.24 and 345,634.40 is: 476,984.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,568.80 : 852,260.24 = 345,634.40 : x
  2. Step 2: Convert to fraction form
    617,568.80/852,260.24 = 345,634.40/x
  3. Step 3: Cross multiply
    617,568.80x = 852,260.24 × 345,634.40
  4. Step 4: Simplify right side
    617,568.80x = 294,570,456,696.26
  5. Step 5: Solve for x
    x = 294,570,456,696.26/617,568.80
  6. Step 6: Final answer
    x = 476,984.03

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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.