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Finding the Fourth Proportional to 627,594.33, 940,356.72 and 361,578.45

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Solution

The fourth proportional to 627,594.33, 940,356.72 and 361,578.45 is: 541,771.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,594.33 : 940,356.72 = 361,578.45 : x
  2. Step 2: Convert to fraction form
    627,594.33/940,356.72 = 361,578.45/x
  3. Step 3: Cross multiply
    627,594.33x = 940,356.72 × 361,578.45
  4. Step 4: Simplify right side
    627,594.33x = 340,012,725,264.68
  5. Step 5: Solve for x
    x = 340,012,725,264.68/627,594.33
  6. Step 6: Final answer
    x = 541,771.51

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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.