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Finding the Fourth Proportional to 392,233.15, 588,337.57 and 111,750.40

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Solution

The fourth proportional to 392,233.15, 588,337.57 and 111,750.40 is: 167,622.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,233.15 : 588,337.57 = 111,750.40 : x
  2. Step 2: Convert to fraction form
    392,233.15/588,337.57 = 111,750.40/x
  3. Step 3: Cross multiply
    392,233.15x = 588,337.57 × 111,750.40
  4. Step 4: Simplify right side
    392,233.15x = 65,746,958,782.53
  5. Step 5: Solve for x
    x = 65,746,958,782.53/392,233.15
  6. Step 6: Final answer
    x = 167,622.14

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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.