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Finding the Fourth Proportional to 555,554.37, 833,380.78 and 156,198.62

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Solution

The fourth proportional to 555,554.37, 833,380.78 and 156,198.62 is: 234,311.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,554.37 : 833,380.78 = 156,198.62 : x
  2. Step 2: Convert to fraction form
    555,554.37/833,380.78 = 156,198.62/x
  3. Step 3: Cross multiply
    555,554.37x = 833,380.78 × 156,198.62
  4. Step 4: Simplify right side
    555,554.37x = 130,172,927,770.52
  5. Step 5: Solve for x
    x = 130,172,927,770.52/555,554.37
  6. Step 6: Final answer
    x = 234,311.77

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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.