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Finding the Fourth Proportional to 392,295.36, 588,443.03 and 111,805.32

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Solution

The fourth proportional to 392,295.36, 588,443.03 and 111,805.32 is: 167,707.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,295.36 : 588,443.03 = 111,805.32 : x
  2. Step 2: Convert to fraction form
    392,295.36/588,443.03 = 111,805.32/x
  3. Step 3: Cross multiply
    392,295.36x = 588,443.03 × 111,805.32
  4. Step 4: Simplify right side
    392,295.36x = 65,791,061,270.92
  5. Step 5: Solve for x
    x = 65,791,061,270.92/392,295.36
  6. Step 6: Final answer
    x = 167,707.98

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