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Finding the Fourth Proportional to 617,950.20, 926,234.10 and 262,903.80

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Solution

The fourth proportional to 617,950.20, 926,234.10 and 262,903.80 is: 394,061.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,950.20 : 926,234.10 = 262,903.80 : x
  2. Step 2: Convert to fraction form
    617,950.20/926,234.10 = 262,903.80/x
  3. Step 3: Cross multiply
    617,950.20x = 926,234.10 × 262,903.80
  4. Step 4: Simplify right side
    617,950.20x = 243,510,464,579.58
  5. Step 5: Solve for x
    x = 243,510,464,579.58/617,950.20
  6. Step 6: Final answer
    x = 394,061.63

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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.