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Finding the Fourth Proportional to 775,794.88, 1,163,680.63 and 349,029.33

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Solution

The fourth proportional to 775,794.88, 1,163,680.63 and 349,029.33 is: 523,538.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,794.88 : 1,163,680.63 = 349,029.33 : x
  2. Step 2: Convert to fraction form
    775,794.88/1,163,680.63 = 349,029.33/x
  3. Step 3: Cross multiply
    775,794.88x = 1,163,680.63 × 349,029.33
  4. Step 4: Simplify right side
    775,794.88x = 406,158,668,877.73
  5. Step 5: Solve for x
    x = 406,158,668,877.73/775,794.88
  6. Step 6: Final answer
    x = 523,538.74

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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.