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Finding the Fourth Proportional to 392,059.85, 588,089.16 and 111,577.10

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Solution

The fourth proportional to 392,059.85, 588,089.16 and 111,577.10 is: 167,365.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,059.85 : 588,089.16 = 111,577.10 : x
  2. Step 2: Convert to fraction form
    392,059.85/588,089.16 = 111,577.10/x
  3. Step 3: Cross multiply
    392,059.85x = 588,089.16 × 111,577.10
  4. Step 4: Simplify right side
    392,059.85x = 65,617,280,073.79
  5. Step 5: Solve for x
    x = 65,617,280,073.79/392,059.85
  6. Step 6: Final answer
    x = 167,365.47

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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.