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Finding the Fourth Proportional to 619,586.28, 929,200.68 and 170,321.81

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Solution

The fourth proportional to 619,586.28, 929,200.68 and 170,321.81 is: 255,433.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,586.28 : 929,200.68 = 170,321.81 : x
  2. Step 2: Convert to fraction form
    619,586.28/929,200.68 = 170,321.81/x
  3. Step 3: Cross multiply
    619,586.28x = 929,200.68 × 170,321.81
  4. Step 4: Simplify right side
    619,586.28x = 158,263,137,024.83
  5. Step 5: Solve for x
    x = 158,263,137,024.83/619,586.28
  6. Step 6: Final answer
    x = 255,433.57

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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.