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Finding the Fourth Proportional to 344,558.80, 515,801.40 and 303,086.80

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Solution

The fourth proportional to 344,558.80, 515,801.40 and 303,086.80 is: 453,718.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,558.80 : 515,801.40 = 303,086.80 : x
  2. Step 2: Convert to fraction form
    344,558.80/515,801.40 = 303,086.80/x
  3. Step 3: Cross multiply
    344,558.80x = 515,801.40 × 303,086.80
  4. Step 4: Simplify right side
    344,558.80x = 156,332,595,761.52
  5. Step 5: Solve for x
    x = 156,332,595,761.52/344,558.80
  6. Step 6: Final answer
    x = 453,718.19

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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.