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Finding the Fourth Proportional to 394,389.95, 544,520.88 and 233,296.74

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Solution

The fourth proportional to 394,389.95, 544,520.88 and 233,296.74 is: 322,104.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,389.95 : 544,520.88 = 233,296.74 : x
  2. Step 2: Convert to fraction form
    394,389.95/544,520.88 = 233,296.74/x
  3. Step 3: Cross multiply
    394,389.95x = 544,520.88 × 233,296.74
  4. Step 4: Simplify right side
    394,389.95x = 127,034,946,165.93
  5. Step 5: Solve for x
    x = 127,034,946,165.93/394,389.95
  6. Step 6: Final answer
    x = 322,104.93

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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.