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Finding the Fourth Proportional to 617,009.88, 925,589.70 and 173,777.88

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Solution

The fourth proportional to 617,009.88, 925,589.70 and 173,777.88 is: 260,687.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,009.88 : 925,589.70 = 173,777.88 : x
  2. Step 2: Convert to fraction form
    617,009.88/925,589.70 = 173,777.88/x
  3. Step 3: Cross multiply
    617,009.88x = 925,589.70 × 173,777.88
  4. Step 4: Simplify right side
    617,009.88x = 160,847,015,815.84
  5. Step 5: Solve for x
    x = 160,847,015,815.84/617,009.88
  6. Step 6: Final answer
    x = 260,687.91

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1.5x scale

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.