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Finding the Fourth Proportional to 409,276.20, 613,914.30 and 373,846.80

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Solution

The fourth proportional to 409,276.20, 613,914.30 and 373,846.80 is: 560,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,276.20 : 613,914.30 = 373,846.80 : x
  2. Step 2: Convert to fraction form
    409,276.20/613,914.30 = 373,846.80/x
  3. Step 3: Cross multiply
    409,276.20x = 613,914.30 × 373,846.80
  4. Step 4: Simplify right side
    409,276.20x = 229,509,896,529.24
  5. Step 5: Solve for x
    x = 229,509,896,529.24/409,276.20
  6. Step 6: Final answer
    x = 560,770.20

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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.