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Finding the Fourth Proportional to 394,803.45, 592,205.28 and 110,535.88

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Solution

The fourth proportional to 394,803.45, 592,205.28 and 110,535.88 is: 165,803.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,803.45 : 592,205.28 = 110,535.88 : x
  2. Step 2: Convert to fraction form
    394,803.45/592,205.28 = 110,535.88/x
  3. Step 3: Cross multiply
    394,803.45x = 592,205.28 × 110,535.88
  4. Step 4: Simplify right side
    394,803.45x = 65,459,930,980.81
  5. Step 5: Solve for x
    x = 65,459,930,980.81/394,803.45
  6. Step 6: Final answer
    x = 165,803.85

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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.