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Finding the Fourth Proportional to 3,156,228.69, 4,733,655.74 and 850,668

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Solution

The fourth proportional to 3,156,228.69, 4,733,655.74 and 850,668 is: 1,275,816.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156,228.69 : 4,733,655.74 = 850,668 : x
  2. Step 2: Convert to fraction form
    3,156,228.69/4,733,655.74 = 850,668/x
  3. Step 3: Cross multiply
    3,156,228.69x = 4,733,655.74 × 850,668
  4. Step 4: Simplify right side
    3,156,228.69x = 4,026,769,456,780.98
  5. Step 5: Solve for x
    x = 4,026,769,456,780.98/3,156,228.69
  6. Step 6: Final answer
    x = 1,275,816.76

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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.