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Finding the Fourth Proportional to 574,571.92, 859,758.30 and 338,026

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Solution

The fourth proportional to 574,571.92, 859,758.30 and 338,026 is: 505,803.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,571.92 : 859,758.30 = 338,026 : x
  2. Step 2: Convert to fraction form
    574,571.92/859,758.30 = 338,026/x
  3. Step 3: Cross multiply
    574,571.92x = 859,758.30 × 338,026
  4. Step 4: Simplify right side
    574,571.92x = 290,620,659,115.80
  5. Step 5: Solve for x
    x = 290,620,659,115.80/574,571.92
  6. Step 6: Final answer
    x = 505,803.80

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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.