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Finding the Fourth Proportional to 306,044.40, 459,131.40 and 92,794.80

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Solution

The fourth proportional to 306,044.40, 459,131.40 and 92,794.80 is: 139,211.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,044.40 : 459,131.40 = 92,794.80 : x
  2. Step 2: Convert to fraction form
    306,044.40/459,131.40 = 92,794.80/x
  3. Step 3: Cross multiply
    306,044.40x = 459,131.40 × 92,794.80
  4. Step 4: Simplify right side
    306,044.40x = 42,605,006,436.72
  5. Step 5: Solve for x
    x = 42,605,006,436.72/306,044.40
  6. Step 6: Final answer
    x = 139,211.85

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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.