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Finding the Fourth Proportional to 306,074.19, 459,189.10 and 179,821.11

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Solution

The fourth proportional to 306,074.19, 459,189.10 and 179,821.11 is: 269,777.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,074.19 : 459,189.10 = 179,821.11 : x
  2. Step 2: Convert to fraction form
    306,074.19/459,189.10 = 179,821.11/x
  3. Step 3: Cross multiply
    306,074.19x = 459,189.10 × 179,821.11
  4. Step 4: Simplify right side
    306,074.19x = 82,571,895,608.64
  5. Step 5: Solve for x
    x = 82,571,895,608.64/306,074.19
  6. Step 6: Final answer
    x = 269,777.39

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1.5x scale

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.