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Finding the Fourth Proportional to 411,415.56, 567,736.02 and 239,333.94

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Solution

The fourth proportional to 411,415.56, 567,736.02 and 239,333.94 is: 330,270.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,415.56 : 567,736.02 = 239,333.94 : x
  2. Step 2: Convert to fraction form
    411,415.56/567,736.02 = 239,333.94/x
  3. Step 3: Cross multiply
    411,415.56x = 567,736.02 × 239,333.94
  4. Step 4: Simplify right side
    411,415.56x = 135,878,498,546.52
  5. Step 5: Solve for x
    x = 135,878,498,546.52/411,415.56
  6. Step 6: Final answer
    x = 330,270.68

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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.