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Finding the Fourth Proportional to 622,525.20, 933,787.80 and 617,859.60

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Solution

The fourth proportional to 622,525.20, 933,787.80 and 617,859.60 is: 926,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,525.20 : 933,787.80 = 617,859.60 : x
  2. Step 2: Convert to fraction form
    622,525.20/933,787.80 = 617,859.60/x
  3. Step 3: Cross multiply
    622,525.20x = 933,787.80 × 617,859.60
  4. Step 4: Simplify right side
    622,525.20x = 576,949,756,592.88
  5. Step 5: Solve for x
    x = 576,949,756,592.88/622,525.20
  6. Step 6: Final answer
    x = 926,789.40

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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.