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Finding the Fourth Proportional to 404,491.92, 558,087.48 and 243,324.60

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Solution

The fourth proportional to 404,491.92, 558,087.48 and 243,324.60 is: 335,720.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,491.92 : 558,087.48 = 243,324.60 : x
  2. Step 2: Convert to fraction form
    404,491.92/558,087.48 = 243,324.60/x
  3. Step 3: Cross multiply
    404,491.92x = 558,087.48 × 243,324.60
  4. Step 4: Simplify right side
    404,491.92x = 135,796,412,836.01
  5. Step 5: Solve for x
    x = 135,796,412,836.01/404,491.92
  6. Step 6: Final answer
    x = 335,720.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.