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Finding the Fourth Proportional to 348,383.14, 480,871.05 and 227,542.90

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Solution

The fourth proportional to 348,383.14, 480,871.05 and 227,542.90 is: 314,076.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,383.14 : 480,871.05 = 227,542.90 : x
  2. Step 2: Convert to fraction form
    348,383.14/480,871.05 = 227,542.90/x
  3. Step 3: Cross multiply
    348,383.14x = 480,871.05 × 227,542.90
  4. Step 4: Simplify right side
    348,383.14x = 109,418,793,243.05
  5. Step 5: Solve for x
    x = 109,418,793,243.05/348,383.14
  6. Step 6: Final answer
    x = 314,076.03

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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.