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Finding the Fourth Proportional to 394,573.95, 544,517.28 and 233,424.86

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Solution

The fourth proportional to 394,573.95, 544,517.28 and 233,424.86 is: 322,129.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,573.95 : 544,517.28 = 233,424.86 : x
  2. Step 2: Convert to fraction form
    394,573.95/544,517.28 = 233,424.86/x
  3. Step 3: Cross multiply
    394,573.95x = 544,517.28 × 233,424.86
  4. Step 4: Simplify right side
    394,573.95x = 127,103,867,128.99
  5. Step 5: Solve for x
    x = 127,103,867,128.99/394,573.95
  6. Step 6: Final answer
    x = 322,129.39

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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.