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Finding the Fourth Proportional to 344,586.80, 515,843.40 and 303,114.80

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Solution

The fourth proportional to 344,586.80, 515,843.40 and 303,114.80 is: 453,760.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,586.80 : 515,843.40 = 303,114.80 : x
  2. Step 2: Convert to fraction form
    344,586.80/515,843.40 = 303,114.80/x
  3. Step 3: Cross multiply
    344,586.80x = 515,843.40 × 303,114.80
  4. Step 4: Simplify right side
    344,586.80x = 156,359,769,022.32
  5. Step 5: Solve for x
    x = 156,359,769,022.32/344,586.80
  6. Step 6: Final answer
    x = 453,760.18

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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.