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Finding the Fourth Proportional to 452,660.24, 678,885 and 168,484.60

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Solution

The fourth proportional to 452,660.24, 678,885 and 168,484.60 is: 252,687.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,660.24 : 678,885 = 168,484.60 : x
  2. Step 2: Convert to fraction form
    452,660.24/678,885 = 168,484.60/x
  3. Step 3: Cross multiply
    452,660.24x = 678,885 × 168,484.60
  4. Step 4: Simplify right side
    452,660.24x = 114,381,667,671
  5. Step 5: Solve for x
    x = 114,381,667,671/452,660.24
  6. Step 6: Final answer
    x = 252,687.68

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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.