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Finding the Fourth Proportional to 394,415.28, 544,404.51 and 233,326.26

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Solution

The fourth proportional to 394,415.28, 544,404.51 and 233,326.26 is: 322,056.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,415.28 : 544,404.51 = 233,326.26 : x
  2. Step 2: Convert to fraction form
    394,415.28/544,404.51 = 233,326.26/x
  3. Step 3: Cross multiply
    394,415.28x = 544,404.51 × 233,326.26
  4. Step 4: Simplify right side
    394,415.28x = 127,023,868,245.43
  5. Step 5: Solve for x
    x = 127,023,868,245.43/394,415.28
  6. Step 6: Final answer
    x = 322,056.15

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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.