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Finding the Fourth Proportional to 394,544.52, 544,402.22 and 233,340.75

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Solution

The fourth proportional to 394,544.52, 544,402.22 and 233,340.75 is: 321,969.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,544.52 : 544,402.22 = 233,340.75 : x
  2. Step 2: Convert to fraction form
    394,544.52/544,402.22 = 233,340.75/x
  3. Step 3: Cross multiply
    394,544.52x = 544,402.22 × 233,340.75
  4. Step 4: Simplify right side
    394,544.52x = 127,031,221,149.76
  5. Step 5: Solve for x
    x = 127,031,221,149.76/394,544.52
  6. Step 6: Final answer
    x = 321,969.30

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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.