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Finding the Fourth Proportional to 306,144.40, 459,216.60 and 95,846.80

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Solution

The fourth proportional to 306,144.40, 459,216.60 and 95,846.80 is: 143,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,144.40 : 459,216.60 = 95,846.80 : x
  2. Step 2: Convert to fraction form
    306,144.40/459,216.60 = 95,846.80/x
  3. Step 3: Cross multiply
    306,144.40x = 459,216.60 × 95,846.80
  4. Step 4: Simplify right side
    306,144.40x = 44,014,441,616.88
  5. Step 5: Solve for x
    x = 44,014,441,616.88/306,144.40
  6. Step 6: Final answer
    x = 143,770.20

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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.