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Finding the Fourth Proportional to 306,063.30, 458,766.90 and 116,450.40

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Solution

The fourth proportional to 306,063.30, 458,766.90 and 116,450.40 is: 174,550.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,063.30 : 458,766.90 = 116,450.40 : x
  2. Step 2: Convert to fraction form
    306,063.30/458,766.90 = 116,450.40/x
  3. Step 3: Cross multiply
    306,063.30x = 458,766.90 × 116,450.40
  4. Step 4: Simplify right side
    306,063.30x = 53,423,589,011.76
  5. Step 5: Solve for x
    x = 53,423,589,011.76/306,063.30
  6. Step 6: Final answer
    x = 174,550.78

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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.