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Finding the Fourth Proportional to 622,965.60, 934,448.40 and 617,060.70

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Solution

The fourth proportional to 622,965.60, 934,448.40 and 617,060.70 is: 925,591.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,965.60 : 934,448.40 = 617,060.70 : x
  2. Step 2: Convert to fraction form
    622,965.60/934,448.40 = 617,060.70/x
  3. Step 3: Cross multiply
    622,965.60x = 934,448.40 × 617,060.70
  4. Step 4: Simplify right side
    622,965.60x = 576,611,383,817.88
  5. Step 5: Solve for x
    x = 576,611,383,817.88/622,965.60
  6. Step 6: Final answer
    x = 925,591.05

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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.