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Finding the Fourth Proportional to 394,326.80, 591,490.19 and 94,807.38

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Solution

The fourth proportional to 394,326.80, 591,490.19 and 94,807.38 is: 142,211.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,326.80 : 591,490.19 = 94,807.38 : x
  2. Step 2: Convert to fraction form
    394,326.80/591,490.19 = 94,807.38/x
  3. Step 3: Cross multiply
    394,326.80x = 591,490.19 × 94,807.38
  4. Step 4: Simplify right side
    394,326.80x = 56,077,632,252.15
  5. Step 5: Solve for x
    x = 56,077,632,252.15/394,326.80
  6. Step 6: Final answer
    x = 142,211.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.